Authors: S C Cannegieter; F R Rosendaal; A R Wintzen; F J van der Meer; J P Vandenbroucke; E Briët Journal: N Engl J Med Date: 1995-07-06 Impact factor: 91.245
Authors: Deborah McCahon; David A Fitzmaurice; Ellen T Murray; Christopher J Fuller; Richard F D Hobbs; Teresa F Allan; James P Raftery Journal: BMC Fam Pract Date: 2003-09-18 Impact factor: 2.497