Authors: E D Thomas; J I Bryant; C D Buckner; R A Clift; A Fefer; F L Johnson; P Neiman; R E Ramberg; R Storb Journal: Lancet Date: 1972-06-17 Impact factor: 79.321
Authors: W D Hardy; A J McClelland; E E Zuckerman; P W Hess; M Essex; S M Cotter; E G MacEwen; A A Hayes Journal: Nature Date: 1976-09-23 Impact factor: 49.962