Authors: I M Murray-Lyon; A L Eddleston; R Williams; M Brown; B M Hogbin; A Bennett; J C Edwards; K W Taylor Journal: Lancet Date: 1968-10-26 Impact factor: 79.321
Authors: J E Gerich; M Lorenzi; D M Bier; V Schneider; E Tsalikian; J H Karam; P H Forsham Journal: N Engl J Med Date: 1975-05-08 Impact factor: 91.245