title: Letter: Intra-erythrocyte lithium ion concentration and long-term maintenance treatment.
mesh_terms: D000342:Affective Symptoms / Q000097:blood / Q000188:drug therapy*; D004912:Erythrocytes / Q000032:analysis*; D006801:Humans; D008094:Lithium / Q000097:blood* / Q000627:therapeutic use; D013997:Time Factors
chemical_list: D008094:Lithium