morning ( 0800 ) plasma and serum and mean diurnal ( 24-h ) serum calcium ( ca ) and magnesium ( mg ) concentrations were investigated in 56 depressed patients , 32 with acute major depression , 26 of these restudied in remission , 24 patients with longstanding depression , mainly treated with lithium , and in 27 healthy controls .
C0032105
plasma
C0229671
serum