Authors: R L Edelson; C H Kirkpatrick; E M Shevach; P S Schein; R W Smith; I Green; M Lutzner Journal: Ann Intern Med Date: 1974-06 Impact factor: 25.391
Authors: A Konrads; U Laaser; B Mödder; W Hummerich; R Lang; K A Meurer; J Zach; W Steinbrich; G R Krueger; H E Schaefer Journal: Dtsch Med Wochenschr Date: 1980-03-14 Impact factor: 0.628