title: Cholelithiasis in children with thalassemia major: an ultrasonographic study.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D002769:Cholelithiasis / Q000175:diagnosis* / Q000209:etiology; D005188:False Negative Reactions; D006801:Humans; D007223:Infant; D008297:Male; D013789:Thalassemia / Q000150:complications*; D014463:Ultrasonography