title: [Clinical studies of intestinal 47Ca absorption tests by external arm counter].
mesh_terms: D000328:Adult; D002118:Calcium / Q000378:metabolism; D002128:Calcium Metabolism Disorders / Q000175:diagnosis* / Q000378:metabolism; D002132:Calcium Radioisotopes; D005260:Female; D006801:Humans; D007408:Intestinal Absorption; D008297:Male; D012588:Scintillation Counting / Q000295:instrumentation*
chemical_list: D002132:Calcium Radioisotopes; D002118:Calcium