J Areias, I Pedroto, T Freitas, R Cerqueira, R T$eixeira, A M Saraiya. Dept of Gastroenterology, Hospital Geral de Samo António, Oporto, Portugal Author links open overlay panelShow more Add to Mendeley Share Cite https://doi.org/10.1016/0270-9139(95)95278-0Get rights and content...