title: Chronic diarrhea: To biopsy or not to biopsy.
authors.forename: Lawrence R
authors.initials: LR
authors.lastname: Schiller
mesh_terms: D001706:Biopsy; D002908:Chronic Disease; D003108:Colonic Diseases / Q000150:complications / Q000473:pathology*; D003967:Diarrhea / Q000209:etiology / Q000473:pathology*; D006801:Humans