title: A multi-centre study of potassium deficiency in the elderly.
mesh_terms: D000368:Aged; D003863:Depression / Q000187:drug effects; D004032:Diet / Q000009:adverse effects; D005194:Family Practice; D005221:Fatigue / Q000188:drug therapy / Q000209:etiology; D005260:Female; D006452:Hemoglobinometry; D006801:Humans; D007008:Hypokalemia / Q000150:complications* / Q000188:drug therapy / Q000209:etiology; D008297:Male; D009129:Muscle Tonus / Q000187:drug effects; D011188:Potassium / Q000097:blood; D013850:Thinking / Q000187:drug effects; D014549:Urinary Incontinence / Q000188:drug therapy / Q000209:etiology
chemical_list: D011188:Potassium