The effect of morphine on symptoms of endogenous depression.
D003863:Depression / Q000266:history; D003866:Depressive Disorder / Q000188:drug therapy*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009020:Morphine / Q000266:history / Q000627:therapeutic use*
D009020:Morphine