title: [Occult blood loss in duodenal ulcer].
mesh_terms: D000230:Adenocarcinoma / Q000150:complications / Q000175:diagnosis*; D002430:Cecal Neoplasms / Q000150:complications / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004381:Duodenal Ulcer / Q000150:complications / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009780:Occult Blood
vernacular_title: Occult bloedverlies bij ulcus duodeni.