Authors: L T Ch'ien; R J Whitley; A J Nahmias; E B Lewin; C C Linnemann; L D Frenkel; J A Bellanti; R A Buchanan; D A Alford Journal: Pediatrics Date: 1975-05 Impact factor: 7.124
Authors: B Sköldenberg; M Forsgren; K Alestig; T Bergström; L Burman; E Dahlqvist; A Forkman; A Frydén; K Lövgren; K Norlin Journal: Lancet Date: 1984-09-29 Impact factor: 79.321