Alan L Buchman1, Sambasiva Rao. 1. Division of Gastroenterology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA. a-buchman@northwestern.edu
Authors: Fernando Fernández-Bañares; Antonio Salas; Maria Esteve; Jorge Espinós; Montserrat Forné; Josep Maria Viver Journal: Am J Gastroenterol Date: 2003-02 Impact factor: 10.864