Authors: J Eskola; H Käyhty; A K Takala; H Peltola; P R Rönnberg; E Kela; E Pekkanen; P H McVerry; P H Mäkelä Journal: N Engl J Med Date: 1990-11-15 Impact factor: 91.245
Authors: J C Parke; R Schneerson; C Reimer; C Black; S Welfare; D Bryla; L Levi; D Pavliakova; T Cramton; D Schulz Journal: J Pediatr Date: 1991-02 Impact factor: 4.406
Authors: M Santosham; M Wolff; R Reid; M Hohenboken; M Bateman; J Goepp; M Cortese; D Sack; J Hill; W Newcomer Journal: N Engl J Med Date: 1991-06-20 Impact factor: 91.245