title: Letter: Divalent cations in predicting antidepressant response to lithium.
mesh_terms: D002118:Calcium / Q000097:blood*; D002413:Cations, Divalent; D003863:Depression / Q000097:blood / Q000188:drug therapy*; D005188:False Negative Reactions; D005189:False Positive Reactions; D006801:Humans; D008094:Lithium / Q000494:pharmacology / Q000627:therapeutic use*; D008274:Magnesium / Q000097:blood*; D013997:Time Factors
chemical_list: D002413:Cations, Divalent; D008094:Lithium; D008274:Magnesium; D002118:Calcium