Authors: P McWilliam; G J Farrar; P Kenna; D G Bradley; M M Humphries; E M Sharp; D J McConnell; M Lawler; D Sheils; C Ryan Journal: Genomics Date: 1989-10 Impact factor: 5.736
Authors: T P Dryja; T L McGee; E Reichel; L B Hahn; G S Cowley; D W Yandell; M A Sandberg; E L Berson Journal: Nature Date: 1990-01-25 Impact factor: 49.962