Authors: Marry de Klerk; Karin M Keizer; Frans H J Claas; Marian Witvliet; Bernadette J J M Haase-Kromwijk; Willem Weimar Journal: Am J Transplant Date: 2005-09 Impact factor: 8.086
Authors: R A Wolfe; V B Ashby; E L Milford; A O Ojo; R E Ettenger; L Y Agodoa; P J Held; F K Port Journal: N Engl J Med Date: 1999-12-02 Impact factor: 91.245