Authors: P J Godowski; D W Leung; L R Meacham; J P Galgani; R Hellmiss; R Keret; P S Rotwein; J S Parks; Z Laron; W I Wood Journal: Proc Natl Acad Sci U S A Date: 1989-10 Impact factor: 11.205
Authors: S Amselem; P Duquesnoy; O Attree; G Novelli; S Bousnina; M C Postel-Vinay; M Goossens Journal: N Engl J Med Date: 1989-10-12 Impact factor: 91.245