Authors: A Gratwohl; H Dazzi; A Tichelli; C Stebler; M Wernli; C Thomssen; I Kim; A Dieterle; R Obrist; A Stern Journal: Schweiz Med Wochenschr Date: 1991-03-23
Authors: G J Lieschke; D Maher; J Cebon; M O'Connor; M Green; W Sheridan; A Boyd; M Rallings; E Bonnem; D Metcalf Journal: Ann Intern Med Date: 1989-03-01 Impact factor: 25.391