title: [Collagenous colitis. Presentation of four new cases].
authors.forename: A
authors.initials: A
authors.lastname: Hervás Angulo
authors.forename: J
authors.initials: J
authors.lastname: Sánchez Alvarez
authors.forename: D
authors.initials: D
authors.lastname: Echeverría Lekuona
authors.forename: M A
authors.initials: MA
authors.lastname: Arizcuren Domeño
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D003092:Colitis / Q000150:complications / Q000473:pathology*; D003094:Collagen / Q000378:metabolism; D003967:Diarrhea / Q000209:etiology / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male
chemical_list: D003094:Collagen