Authors: V E Kinsey; H J Arnold; R E Kalina; L Stern; M Stahlman; G Odell; J M Driscoll; J H Elliott; J Payne; A Patz Journal: Pediatrics Date: 1977-11 Impact factor: 7.124
Authors: H M Hittner; L B Godio; A J Rudolph; J M Adams; J A Garcia-Prats; Z Friedman; J A Kautz; W A Monaco Journal: N Engl J Med Date: 1981-12-03 Impact factor: 91.245