Authors: M M Popovtzer; W Pinnggera; F H Katz; J L Corman; J Roninette; B Lanois; C G Haglrimson; T E Starzel Journal: Circulation Date: 1973-06 Impact factor: 29.690
Authors: A Medina; P R Bell; J D Briggs; J J Brown; A Fine; A F Lever; J J Morton; A M Paton; J I Robertson; M Tree; M A Waite; R Weir; J Winchester Journal: Br Med J Date: 1972-12-23