Gómez Sanz R, Moreno Gonzalez E, Colina Ruiz-Delgado F, Garcia-Muñoz H, Ochando Cerdan F, Gonzalez-Pinto I
Department of General and Digestive Surgery, University Hospital 12 de Octubre, Madrid, Spain.
Dig Dis Sci. 1998 Feb;43(2):323-8. doi: 10.1023/a:1018802321581.