Authors: T E Starzl; C G Halgrimson; I Penn; G Martineau; G Schroter; H Amemiya; C W Putnam; C G Groth Journal: Lancet Date: 1971-07-10 Impact factor: 79.321
Authors: R D Soloway; W H Summerskill; A H Baggenstoss; M G Geall; G L Gitnićk; I R Elveback; L J Schoenfield Journal: Gastroenterology Date: 1972-11 Impact factor: 22.682