Authors: H Verder; B Robertson; G Greisen; F Ebbesen; P Albertsen; K Lundstrøm; T Jacobsen Journal: N Engl J Med Date: 1994-10-20 Impact factor: 91.245
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