Authors: G L Klein; C M Targoff; M E Ament; D J Sherrard; R Bluestone; J H Young; A W Norman; J W Coburn Journal: Lancet Date: 1980-11-15 Impact factor: 79.321
Authors: R A Johnson; S S Baker; J T Fallon; E P Maynard; J N Ruskin; Z Wen; K Ge; H J Cohen Journal: N Engl J Med Date: 1981-05-14 Impact factor: 91.245
Authors: M Shike; W C Sturtridge; C S Tam; J E Harrison; G Jones; T M Murray; H Husdan; J Whitwell; D R Wilson; K N Jeejeebhoy Journal: Ann Intern Med Date: 1981-11 Impact factor: 25.391