Authors: S Cucchiara; F Santamaria; M R Andreotti; R Minella; P Ercolini; V Oggero; G de Ritis Journal: Arch Dis Child Date: 1991-05 Impact factor: 3.791
Authors: S J Sontag; S O'Connell; S Khandelwal; T Miller; B Nemchausky; T G Schnell; R Serlovsky Journal: Dig Dis Sci Date: 1990-07 Impact factor: 3.199