Iglesias-García J, Lariño-Noia J, Seijo-Ríos S, Domínguez-Muñoz J E
Gastroenterology Department, Foundation for Research in Digestive Disease, University Hospital of Santiago de Compostela, Coruña, Spain.
Rev Esp Enferm Dig. 2008 Apr;100(4):236-7. doi: 10.4321/s1130-01082008000400008.