[Bilio-digestive derivations].
D001660:Biliary Tract Diseases / Q000601:surgery*; D004381:Duodenal Ulcer / Q000601:surgery*; D005743:Gastrectomy; D006801:Humans; D007421:Intestine, Small / Q000601:surgery*; D008722:Methods; D013272:Stomach Diseases / Q000601:surgery*
Derivaciones biliodigestivas.