Authors: M E Avery; W H Tooley; J B Keller; S S Hurd; M H Bryan; R B Cotton; M F Epstein; P M Fitzhardinge; C B Hansen; T N Hansen Journal: Pediatrics Date: 1987-01 Impact factor: 7.124
Authors: J D Horbar; L L Wright; R F Soll; E C Wright; A A Fanaroff; S B Korones; S Shankaran; W Oh; B D Fletcher; C R Bauer Journal: J Pediatr Date: 1993-11 Impact factor: 4.406