***Article 1
Total Cites: 1942
Article Title: MUTATION IN BLOOD-COAGULATION FACTOR-V ASSOCIATED WITH RESISTANCE TO ACTIVATED PROTEIN-C
Authors: Bertina, RM, Koeleman, BPC, Koster, T, Rosendaal, FR, Dirven, RJ, Deronde, H, Vandervelden, PA, Reitsma, PH
Journal: NATURE
Volume: 369
Page: 64-67
Year: 1994
Addresses: 
· UNIV LEIDEN HOSP, CTR HEMOSTASIS & THROMBOSIS RES, BLDG 1-C2R, POB 9600, 2300 RC LEIDEN, NETHERLANDS
· UNIV LEIDEN HOSP, DEPT CLIN EPIDEMIOL, 2300 RC LEIDEN, NETHERLANDS

***Article 2
Total Cites: 1196
Article Title: TAMOXIFEN FOR PREVENTION OF BREAST CANCER: REPORT OF THE NATIONAL SURGICAL ADJUVANT BREAST AND BOWEL PROJECT P-1 STUDY
Authors: Fisher, B, Costantino, JP, Wickerham, DL, Redmond, CK, Kavanah, M, Cronin, WM, Vogel, V, Robidoux, A, Dimitrov, N, Atkins, J, Daly, M, Wieand, S, Tan-chiu, E, Ford, L, Wolmark, N
Journal: JOURNAL OF THE NATIONAL CANCER INSTITUTE
Volume: 90
Page: 1371-1388
Year: 1998
Addresses: 
· Allegheny Univ Hlth Sci, 4 Allegheny Ctr, Suite 602, Pittsburgh, PA, USA
· Allegheny Univ Hlth Sci, Pittsburgh, PA, USA
· Natl Surg Adjuvant Breast & Bowel Project, Pittsburgh, PA, USA
· Univ Pittsburgh, Pittsburgh, PA, USA
· Boston Med Ctr, Boston, MA, USA
· Hotel Dieu, Montreal, Canada
· Michigan State Univ, E Lansing, MI, USA
· SE Canc Control Consortium, Winston Salem, NC, USA
· Fox Chase Canc Ctr, Cheltenham, PA, USA
· Univ Pittsburgh, NSABP, Ctr Biostat, Pittsburgh, PA, USA
· NCI, Bethesda, MD, USA

***Article 3
Total Cites: 889
Article Title: VENOUS THROMBOSIS DUE TO POOR ANTICOAGULANT RESPONSE TO ACTIVATED PROTEIN-C - LEIDEN THROMBOPHILIA STUDY
Authors: Koster, T, Rosendaal, FR, Deronde, H, Briet, E, Vandenbroucke, JP, Bertina, RM
Journal: LANCET
Volume: 342
Page: 1503-1506
Year: 1993
Addresses: 
· UNIV HOSP LEIDEN, DEPT CLIN EPIDEMIOL, BLDG 1, CO-P, 2300 RC LEIDEN, NETHERLANDS
· UNIV HOSP LEIDEN, HEMOSTASIS & THROMBOSIS RES CTR, 2300 RC LEIDEN, NETHERLANDS

***Article 4
Total Cites: 744
Article Title: HEPARIN-INDUCED THROMBOCYTOPENIA IN PATIENTS TREATED WITH LOW-MOLECULAR-WEIGHT HEPARIN OR UNFRACTIONATED HEPARIN
Authors: Warkentin, TE, Levine, MN, Hirsh, J, Horsewood, P, Roberts, RS, Gent, M, Kelton, JG
Journal: NEW ENGLAND JOURNAL OF MEDICINE
Volume: 332
Page: 1330-1335
Year: 1995
Addresses: 
· HAMILTON CIV HOSP, DEPT LAB MED, DIV GEN, 237 BARTON ST E, ON L8L 2X2, CANADA
· MCMASTER UNIV, DEPT PATHOL, HAMILTON, ON, CANADA
· MCMASTER UNIV, DEPT CLIN EPIDEMIOL & BIOSTAT, HAMILTON, ON, CANADA
· MCMASTER UNIV, DEPT MED, HAMILTON, ON, CANADA
· HAMILTON CIV HOSP, RES CTR, HAMILTON, ON, CANADA
· MCMASTER UNIV, MED CTR, HAMILTON, ON, CANADA

***Article 5
Total Cites: 634
Article Title: MUTATION IN THE GENE CODING FOR COAGULATION-FACTOR-V AND THE RISK OF MYOCARDIAL-INFARCTION, STROKE, AND VENOUS THROMBOSIS IN APPARENTLY HEALTHY-MEN
Authors: Ridker, PM, Hennekens, CH, Lindpainter, K, Stampfer, MJ, Eisenberg, PR, Miletich, JP
Journal: NEW ENGLAND JOURNAL OF MEDICINE
Volume: 332
Page: 912-917
Year: 1995
Addresses: 
· HARVARD UNIV, BRIGHAM & WOMENS HOSP, SCH MED, DEPT MED, BOSTON, MA, USA
· HARVARD UNIV, BRIGHAM & WOMENS HOSP, SCH MED, DEPT MED, BOSTON, MA, USA
· HARVARD UNIV, BRIGHAM & WOMENS HOSP, SCH MED, DEPT MED, BOSTON, MA, USA
· CHILDRENS HOSP, DEPT CARDIOL, BOSTON, MA, USA
· HARVARD UNIV, SCH MED, DEPT AMBULATORY CARE & PREVENT, BOSTON, MA, USA
· HARVARD UNIV, SCH PUBL HLTH, DEPT NUTR, BOSTON, MA, USA
· HARVARD UNIV, SCH PUBL HLTH, DEPT EPIDEMIOL, BOSTON, MA, USA
· WASHINGTON UNIV, SCH MED, DIV CARDIOVASC, ST LOUIS, MO, USA
· WASHINGTON UNIV, SCH MED, DIV LAB MED, ST LOUIS, MO, USA

***Article 6
Total Cites: 587
Article Title: A COMPARISON OF LOW-MOLECULAR-WEIGHT HEPARIN WITH UNFRACTIONATED HEPARIN FOR UNSTABLE CORONARY ARTERY DISEASE
Authors: Cohen, M, Demers, C, Gurfinkel, EP, Turpie, AGG, Fromell, GJ, Goodman, S, Langer, A, Califf, RM, Fox, KAA, Premmereur, J, Bigonzi, F
Journal: NEW ENGLAND JOURNAL OF MEDICINE
Volume: 337
Page: 447-452
Year: 1997
Addresses: 
· ALLEGHENY UNIV HLTH SCI, MCP HAHNEMANN SCH MED, DIV CARDIOL, MAIL STOP 119, PHILADELPHIA, PA, USA
· HOP ST SACREMENT, QUEBEC CITY, PQ, CANADA
· INST CARDIOL & CIRURG, BUENOS AIRES, DF, ARGENTINA
· MCMASTER UNIV, HAMILTON, ON, CANADA
· RHONE POULENC RORER, COLLEGEVILLE, PA, USA
· RHONE POULENC RORER, PARIS, FRANCE
· ST MICHAELS HOSP, TORONTO, ON M5B 1W8, CANADA
· DUKE UNIV, DURHAM, NC, USA
· ROYAL INFIRM, EDINBURGH, MIDLOTHIAN, SCOTLAND

***Article 7
Total Cites: 504
Article Title: TREATMENT OF VENOUS THROMBOSIS WITH INTRAVENOUS UNFRACTIONATED HEPARIN ADMINISTERED IN THE HOSPITAL AS COMPARED WITH SUBCUTANEOUS LOW-MOLECULAR-WEIGHT HEPARIN ADMINISTERED AT HOME
Authors: Koopman, MMW, Prandoni, P, Piovella, F, Ockelford, PA, Brandjes, DPM, Vandermeer, J, Gallus, AS, Simonneau, G, Chesterman, CH, Prins, MH, Bossuyt, PMM, Dehaes, H, Vandenbelt, AGM, Sagnard, L, Dazemar, P, Buller, HR
Journal: NEW ENGLAND JOURNAL OF MEDICINE
Volume: 334
Page: 682-687
Year: 1996
Addresses: 
· UNIV AMSTERDAM, ACAD MED CTR, CTR HEMOSTASIS THROMBOSIS ATHEROSCLEROSIS & INFLAMMAT RES, RM F4-133, 1105 AZ AMSTERDAM, NETHERLANDS
· SLOTERVAART HOSP, AMSTERDAM, NETHERLANDS
· UNIV PADUA, IST SEMEIOT MED, I-35100 PADUA, ITALY
· AUCKLAND HOSP, AUCKLAND, NEW ZEALAND
· ACAD HOSP GRONINGEN, GRONINGEN, NETHERLANDS
· FLINDERS MED CTR, ADELAIDE, SA, AUSTRALIA
· PRINCE WALES HOSP, SYDNEY, NSW, AUSTRALIA
· HOP CLAMART, PARIS, FRANCE
· SANOFI WINTHROP, PARIS, FRANCE
· MED INTERNA & ONCOL MED, PAVIA, ITALY

***Article 8
Total Cites: 497
Article Title: A COMPARISON OF LOW-MOLECULAR-WEIGHT HEPARIN ADMINISTERED PRIMARILY AT HOME WITH UNFRACTIONATED HEPARIN ADMINISTERED IN THE HOSPITAL FOR PROXIMAL DEEP-VEIN THROMBOSIS
Authors: Levine, M, Gent, M, Hirsh, J, Leclerc, J, Anderson, D, Weitz, J, Ginsberg, J, Turpie, AG, Demers, C, Kovacs, M, Geerts, W, Kassis, J, Desjardins, L, Cusson, J, Cruickshank, M, Powers, P, Brien, W, Haley, S, Willan, A
Journal: NEW ENGLAND JOURNAL OF MEDICINE
Volume: 334
Page: 677-681
Year: 1996
Addresses: 
· ONTARIO CANC TREATMENT & RES FDN, HAMILTON REG CANC CTR, 699 CONCESS ST, HAMILTON, ON L8V 5C2, CANADA
· MCMASTER UNIV, HAMILTON, ON, CANADA
· HAMILTON CIV HOSP, RES CTR, HAMILTON, ON, CANADA
· MCGILL UNIV, MONTREAL, PQ, CANADA
· DALHOUSIE UNIV, HALIFAX, NS, CANADA
· UNIV LAVAL, QUEBEC CITY, PQ, CANADA
· UNIV WESTERN ONTARIO, LONDON, ON, CANADA
· UNIV TORONTO, TORONTO, ON, CANADA
· UNIV MONTREAL, MONTREAL, PQ, CANADA

***Article 9
Total Cites: 464
Article Title: THE EFFECT OF RALOXIFENE ON RISK OF BREAST CANCER IN POSTMENOPAUSAL WOMEN - RESULTS FROM THE MORE RANDOMIZED TRIAL
Authors: Cummings, SR, Eckert, S, Krueger, KA, Grady, D, Powles, TJ, Cauley, JA, Norton, L, Nickelsen, T, Bjarnason, NH, Morrow, M, Lippman, ME, Black, D, Glusman, JE, Costa, A, Jordan, VC
Journal: JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION
Volume: 281
Page: 2189-2197
Year: 1999
Addresses: 
· Prevent Sci Grp, Suite 600, 74 New Montgomery, San Francisco, CA, USA
· Univ Calif San Francisco, Dept Med, San Francisco, CA, USA
· Univ Calif San Francisco, Dept Epidemiol & Biostat, San Francisco, CA, USA
· Eli Lilly & Co, Indianapolis, IN, USA
· Royal Marsden NHS Trust Hosp, Breast Unit, Sutton, England
· Univ Pittsburgh, Dept Epidemiol, Pittsburgh, PA, USA
· Mem Sloan Kettering Canc Ctr, Dept Breast Canc Med, New York, NY, USA
· Ctr Clin & Basic Res, Ballerup, Denmark
· Northwestern Univ, Sch Med, Dept Surg, Chicago, IL, USA
· Northwestern Univ, Sch Med, Robert H Lurie Canc Ctr, Chicago, IL, USA
· Georgetown Univ, Med Ctr, Vincent T Lombardi Canc Res Ctr, Washington, DC, USA
· European Inst Oncol, Milan, Italy

***Article 10
Total Cites: 440
Article Title: HYPERHOMOCYSTEINEMIA AS A RISK FACTOR FOR DEEP-VEIN THROMBOSIS
Authors: Denheijer, M, Koster, T, Blom, HJ, Bos, GMJ, Briet, E, Reitsma, PH, Vandenbroucke, JP, Rosendaal, FR
Journal: NEW ENGLAND JOURNAL OF MEDICINE
Volume: 334
Page: 759-762
Year: 1996
Addresses: 
· MUNICIPAL HOSP LEYENBURG, DEPT HEMATOL, POB 40551, 2504 LN THE HAGUE, NETHERLANDS
· LEIDEN UNIV HOSP, DEPT CLIN EPIDEMIOL, LEIDEN, NETHERLANDS
· LEIDEN UNIV HOSP, DEPT HEMATOL, 2333 AA LEIDEN, NETHERLANDS
· UNIV NIJMEGEN HOSP, LAB PEDIAT & NEUROL, DEPT PEDIAT, 6500 HB NIJMEGEN, NETHERLANDS

***Article 11
Total Cites: 432
Article Title: HIGH-RISK OF THROMBOSIS IN PATIENTS HOMOZYGOUS FOR FACTOR-V LEIDEN (ACTIVATED PROTEIN-C RESISTANCE)
Authors: Rosendaal, FR, Koster, T, Vandenbroucke, JP, Reitsma, PH
Journal: BLOOD
Volume: 85
Page: 1504-1508
Year: 1995
Addresses: 
· UNIV LEIDEN HOSP, DEPT CLIN EPIDEMIOL, BLDG 1, CO-P, 2300 RC LEIDEN, NETHERLANDS
· HEMOSTASIS & THROMBOSIS RES CTR, LEIDEN, NETHERLANDS

***Article 12
Total Cites: 388
Article Title: LOW-MOLECULAR-WEIGHT HEPARINS
Authors: Weitz, JI
Journal: NEW ENGLAND JOURNAL OF MEDICINE
Volume: 337
Page: 688-698
Year: 1997
Addresses: 
· HAMILTON CIV HOSP, RES CTR, 711 CONCESS ST, HAMILTON, ON L8V 1C3, CANADA
· MCMASTER UNIV, HAMILTON, ON, CANADA

***Article 13
Total Cites: 300
Article Title: ENHANCEMENT BY FACTOR-V LEIDEN MUTATION OF RISK OF DEEP-VEIN THROMBOSIS ASSOCIATED WITH ORAL-CONTRACEPTIVES CONTAINING 3RD-GENERATION PROGESTAGEN
Authors: Bloemenkamp, KWM, Rosendaal, FR, Helmerhorst, FM, Buller, HR, Vandenbroucke, JP
Journal: LANCET
Volume: 346
Page: 1593-1596
Year: 1995
Addresses: 
· LEIDEN UNIV HOSP, DEPT CLIN EPIDEMIOL, 2300 RC LEIDEN, NETHERLANDS
· LEIDEN UNIV HOSP, DEPT OBSTET GYNAECOL & REPROD MED, 2300 RC LEIDEN, NETHERLANDS
· LEIDEN UNIV HOSP, THROMBOSIS & HAEMOSTASIS RES CTR, 2300 RC LEIDEN, NETHERLANDS
· UNIV AMSTERDAM, ACAD MED CTR, CTR HEMOSTASIS THROMBOSIS ATHEROSCLEROSIS & INFLA, 1105 AZ AMSTERDAM, NETHERLANDS

***Article 14
Total Cites: 292
Article Title: A COMPARISON OF 6 WEEKS WITH 6 MONTHS OF ORAL ANTICOAGULANT-THERAPY AFTER A FIRST EPISODE OF VENOUS THROMBOEMBOLISM
Authors: Schulman, S, Rhedin, AS, Lindmarker, P, Carlsson, A, Larfars, G, Nicol, P, Loogna, E, Svensson, E, Ljungberg, B, Walter, H, Viering, S, Nordlander, S, Leijd, B, Jonsson, KA, Hjorth, M, Linder, O, Boberg, J, Gustafsson, C, Grondahl, A, Tornebohm, E, Johansson, M, Lockner, D, Johnsson, H, Kobosko, J, Malmros, B, Arcini, N, Saaw, J, Stig, R, Wilhelmsson, S, Ohlsson, A, Malmqvist, K, Alkhalili, F, Petrescu, A, Brohult, J, Hulting, J, Eklund, SG, Dahlin, L, Marjanovics, B, Malm, C, Lindgren, A, Fagrell, B, Kallner, M, Granqvist, S, Wiman, B, Egberg, N, Wadman, B, Snyder, M
Journal: NEW ENGLAND JOURNAL OF MEDICINE
Volume: 332
Page: 1661-1665
Year: 1995
Addresses: 
· KAROLINSKA HOSP, DEPT INTERNAL MED, S-10401 STOCKHOLM, SWEDEN
· HUDDINGE HOSP, DEPT INTERNAL MED, S-14186 HUDDINGE, SWEDEN
· DANDERYD HOSP, DEPT INTERNAL MED, S-18288 DANDERYD, SWEDEN
· SODER SJUKHUSET, DEPT INTERNAL MED, S-10064 STOCKHOLM, SWEDEN
· KOPING HOSP, DEPT INTERNAL MED, KOPING, SWEDEN
· NACKA HOSP, DEPT INTERNAL MED, STOCKHOLM, SWEDEN
· SODERTALJE HOSP, DEPT INTERNAL MED, SODERTALJE, SWEDEN
· NYKOPING HOSP, DEPT INTERNAL MED, NYKOPING, SWEDEN
· SABBATSBERGS HOSP, DEPT INTERNAL MED, S-11382 STOCKHOLM, SWEDEN
· NORRTALJE HOSP, DEPT INTERNAL MED, NORRTALJE, SWEDEN
· CENT HOSP VASTERAS, DEPT INTERNAL MED, VASTERAS, SWEDEN
· ST GORANS UNIV HOSP, DEPT INTERNAL MED, STOCKHOLM, SWEDEN
· LINKOPING REG HOSP, DEPT INTERNAL MED, LINKOPING, SWEDEN
· LIDKOPING HOSP, DEPT INTERNAL MED, LINKOPING, SWEDEN
· OREBRO REG HOSP, DEPT INTERNAL MED, OREBRO, SWEDEN
· UPPSALA ACAD HOSP, DEPT INTERNAL MED, UPPSALA, SWEDEN

***Article 15
of the JOURNAL OF VASCULAR SURGERY
Total Cites: 291
Article Title: REPORTING STANDARDS IN VENOUS DISEASE - AN UPDATE
Authors: Porter, JM, Moneta, GL, Beebe, HG, Bergan, JJ, Bergqvist, D, Eklof, B, Eriksson, I, Goldman, MP, Greenfield, LJ, Hobson, RW, Juhan, C, Kistner, RL, Labropoulos, N, Malouf, GM, Menzoian, JO, Myers, KA, Neglen, P, Nicolaides, AN, Odonnell, TF, Partsch, H, Perrin, M, Raju, S, Rich, NM, Richardson, G, Schanzer, H, Smith, PC, Strandness, DE, Sumner, DS
Journal: JOURNAL OF VASCULAR SURGERY
Volume: 21
Page: 635-645
Year: 1995
Addresses: 
· OREGON HLTH SCI UNIV, DIV VASC SURG, 3181 SW SAM JACKSON PK RD, OP11, PORTLAND, OR, USA

***Article 16
Total Cites: 282
Article Title: INHERITED THROMBOPHILIA .1.
Authors: Lane, DA, Mannucci, PM, Bauer, KA, Bertina, RM, Bochkov, NP, Boulyjenkov, V, Chandy, M, Dahlback, B, Ginter, EK, Miletich, JP, Rosendaal, FR, Seligsohn, U
Journal: THROMBOSIS AND HAEMOSTASIS
Volume: 76
Page: 651-662
Year: 1996
Addresses: 
· CHARING CROSS & WESTMINSTER MED SCH, DEPT HAEMATOL, LONDON W6 8RF, ENGLAND
· MAGGIORE HOSP, IRCCS, MILAN, ITALY
· BETH ISRAEL HOSP, BOSTON, MA, USA
· UNIV LEIDEN HOSP, NL-2300 RC LEIDEN, NETHERLANDS
· MED GENET RES CTR, MOSCOW, RUSSIA
· WHO, CH-1211 GENEVA, SWITZERLAND
· CHRISTIAN MED COLL & HOSP, VELLORE, TAMIL NADU, INDIA
· LUND UNIV, MALMO, SWEDEN
· INST CLIN GENET, MOSCOW, RUSSIA
· WASHINGTON UNIV, ST LOUIS, FRANCE
· INST THROMBOSIS & HEMOSTASIS, TEL HASHOMER, ISRAEL

***Article 17
Total Cites: 281
Article Title: A COMPARISON OF LOW-MOLECULAR-WEIGHT HEPARIN WITH UNFRACTIONATED HEPARIN FOR ACUTE PULMONARY EMBOLISM
Authors: Simonneau, G, Sors, H, Charbonnier, B, Page, Y, Laaban, JP, Azarian, R, Laurent, M, Hirsch, JL, Ferrari, E, Bosson, JL, Mottier, D, Beau, B
Journal: NEW ENGLAND JOURNAL OF MEDICINE
Volume: 337
Page: 663-669
Year: 1997
Addresses: 
· HOP ANTOINE BECLERE, SERV PNEUMOL & REANIMAT, 157 RUE PORTE TRIVAUX, F-92141 CLAMART, FRANCE
· HOP LAENNEC, F-75340 PARIS, FRANCE
· HOP TROUSSEAU, TOURS, FRANCE
· HOP BELLEVUE, ST ETIENNE, FRANCE
· HOP HOTEL DIEU, PARIS, FRANCE
· HOP ANDRE MIGNOT, VERSAILLES, FRANCE
· HOP HOTEL DIEU, RENNES, FRANCE
· HOP HENRI DUFFAUT, AVIGNON, FRANCE
· HOP LOUIS PASTEUR, F-06002 NICE, FRANCE
· HOP UNIV GRENOBLE, GRENOBLE, FRANCE
· HOP CAVALE BLANCHE, BREST, BYELARUS
· LEO PHARMACEUT PROD, ST QUENTIN, FRANCE

***Article 18
Total Cites: 239
Article Title: A COMPARISON OF SUBCUTANEOUS LOW-MOLECULAR-WEIGHT HEPARIN WITH WARFARIN SODIUM FOR PROPHYLAXIS AGAINST DEEP-VEIN THROMBOSIS AFTER HIP OR KNEE IMPLANTATION
Authors: Hull, R, Raskob, G, Pineo, G, Rosenbloom, D, Evans, W, Mallory, T, Anquist, K, Smith, F, Hughes, G, Green, D, Elliott, CG, Panju, A, Brant, R
Journal: NEW ENGLAND JOURNAL OF MEDICINE
Volume: 329
Page: 1370-1376
Year: 1993
Addresses: 
· UNIV CALGARY, FAC MED, DEPT MED, CLIN TRIALS UNIT, AB, CANADA
· OHIO STATE UNIV, COLUMBUS, OH, USA
· NORTHWESTERN UNIV, CHICAGO, IL, USA
· LATTER DAY ST HOSP, SALT LAKE CITY, UT, USA
· CHEDOKE MCMASTER HOSP, HAMILTON L8N 3Z5, ONTARIO, CANADA

***Article 19
Total Cites: 237
Article Title: GUIDELINES FOR THE MANAGEMENT OF PATIENTS WITH ACUTE ISCHEMIC STROKE - A STATEMENT FOR HEALTH-CARE PROFESSIONALS FROM A SPECIAL WRITING GROUP OF THE STROKE-COUNCIL, AMERICAN-HEART-ASSOCIATION
Authors: Adams, HP, Brott, TG, Crowell, RM, Furlan, AJ, Gomez, CR, Grotta, J, Helgason, CM, Marler, JR, Woolson, RF, Zivin, JA, Feinberg, W, Mayberg, M
Journal: STROKE
Volume: 25
Page: 1901-1914
Year: 1994
Addresses: 
· AMER HEART ASSOC, OFF SCI AFFAIRS, 7272 GREENVILLE AVE, DALLAS, TX, USA

***Article 20
Total Cites: 234
Article Title: ROLE OF CLOTTING FACTOR-VIII IN EFFECT OF VON-WILLEBRAND-FACTOR ON OCCURRENCE OF DEEP-VEIN THROMBOSIS
Authors: Koster, T, Blann, AD, Briet, E, Vandenbroucke, JP, Rosendaal, FR
Journal: LANCET
Volume: 345
Page: 152-155
Year: 1995
Addresses: 
· UNIV LEIDEN HOSP, DEPT CLIN EPIDEMIOL, BLDG 1 CO-P-43, POB 9600, 2300 RC LEIDEN, NETHERLANDS
· UNIV LEIDEN HOSP, CTR HEMOSTASIS & THROMBOSIS RES, LEIDEN, NETHERLANDS
· UNIV S MANCHESTER HOSP, DEPT SURG, MANCHESTER, LANCS, ENGLAND