Authors: S L Johnston; P K Pattemore; G Sanderson; S Smith; F Lampe; L Josephs; P Symington; S O'Toole; S H Myint; D A Tyrrell Journal: BMJ Date: 1995-05-13
Authors: A L Duff; E S Pomeranz; L E Gelber; G W Price; H Farris; F G Hayden; T A Platts-Mills; P W Heymann Journal: Pediatrics Date: 1993-10 Impact factor: 7.124