Authors: B Weiser; S Nachman; P Tropper; K H Viscosi; R Grimson; G Baxter; G Fang; C Reyelt; N Hutcheon; H Burger Journal: Proc Natl Acad Sci U S A Date: 1994-08-16 Impact factor: 11.205
Authors: E M Connor; R S Sperling; R Gelber; P Kiselev; G Scott; M J O'Sullivan; R VanDyke; M Bey; W Shearer; R L Jacobson Journal: N Engl J Med Date: 1994-11-03 Impact factor: 91.245