Authors: F Haschke; H Vanura; C Male; G Owen; B Pietschnig; E Schuster; E Krobath; C Huemer Journal: J Pediatr Gastroenterol Nutr Date: 1993-02 Impact factor: 2.839
Authors: T Walter; P R Dallman; F Pizarro; L Velozo; G Peña; S J Bartholmey; E Hertrampf; M Olivares; A Letelier; M Arredondo Journal: Pediatrics Date: 1993-05 Impact factor: 7.124