title: [Follow-up study of elderly patients with iron-deficiency anemia without primary recognized cause].
mesh_terms: D000368:Aged; D000747:Anemia, Hypochromic / Q000175:diagnosis / Q000209:etiology*; D004241:Diverticulum, Colon / Q000150:complications; D005260:Female; D005500:Follow-Up Studies; D006471:Gastrointestinal Hemorrhage / Q000150:complications / Q000209:etiology; D005770:Gastrointestinal Neoplasms / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged; D012008:Recurrence
vernacular_title: Efterundersøgelse af aeldre med jernmangelanaemi uden primaert erkendt årsag.