title: Say it again.
mesh_terms: D000368:Aged; D006801:Humans; D007010:Hyponatremia / Q000150:complications* / Q000503:physiopathology; D008297:Male; D011014:Pneumonia / Q000150:complications* / Q000503:physiopathology; D011188:Potassium / Q000097:blood
chemical_list: D011188:Potassium