title: Symptoms as clues to calcium levels.
mesh_terms: D002118:Calcium / Q000097:blood*; D005767:Gastrointestinal Diseases / Q000209:etiology; D006801:Humans; D006934:Hypercalcemia / Q000097:blood / Q000150:complications* / Q000209:etiology; D008569:Memory Disorders / Q000209:etiology; D009369:Neoplasms / Q000097:blood* / Q000150:complications
chemical_list: D002118:Calcium