Authors: J P Harley; R S Ray; L Tomasi; P L Eichman; C G Matthews; R Chun; C S Cleeland; E Traisman Journal: Pediatrics Date: 1978-06 Impact factor: 7.124
Authors: B Weiss; J H Williams; S Margen; B Abrams; B Caan; L J Citron; C Cox; J McKibben; D Ogar; S Schultz Journal: Science Date: 1980-03-28 Impact factor: 47.728