Authors: G Barera; C Bianchi; L Calisti; F Cerutti; F Dammacco; E Frezza; M T Illeni; L Mistura; M Pocecco; F Prisco Journal: Arch Dis Child Date: 1991-04 Impact factor: 3.791
Authors: S Koletzko; A Bürgin-Wolff; B Koletzko; M Knapp; W Burger; D Grüneklee; G Herz; W Ruch; A Thon; U Wendel Journal: Eur J Pediatr Date: 1988-11 Impact factor: 3.183