Authors: N Padian; L Marquis; D P Francis; R E Anderson; G W Rutherford; P M O'Malley; W Winkelstein Journal: JAMA Date: 1987-08-14 Impact factor: 56.272
Authors: D S Burke; J F Brundage; J R Herbold; W Berner; L I Gardner; J D Gunzenhauser; J Voskovitch; R R Redfield Journal: N Engl J Med Date: 1987-07-16 Impact factor: 91.245