title: A 42-year-old man with microcytic anemia and hypocalcemia.
mesh_terms: D000328:Adult; D018798:Anemia, Iron-Deficiency / Q000209:etiology*; D001706:Biopsy; D002446:Celiac Disease / Q000150:complications* / Q000175:diagnosis* / Q000178:diet therapy; D003937:Diagnosis, Differential; D004035:Diet Therapy; D004386:Duodenum / Q000473:pathology; D005983:Glutens / Q000009:adverse effects; D006801:Humans; D006996:Hypocalcemia / Q000209:etiology*; D007159:Immunologic Tests; D008297:Male; D016896:Treatment Outcome; D017086:beta-Thalassemia / Q000175:diagnosis