title: Theophylline and serum electrolytes.
mesh_terms: D006801:Humans; D007008:Hypokalemia / Q000139:chemically induced; D011188:Potassium / Q000097:blood*; D013806:Theophylline / Q000009:adverse effects* / Q000097:blood
chemical_list: D013806:Theophylline; D011188:Potassium