title: Clinical observations with beta-endorphin injections.
mesh_terms: D002986:Clinical Trials as Topic; D004723:Endorphins / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D007275:Injections, Intravenous; D001523:Mental Disorders / Q000188:drug therapy*
chemical_list: D004723:Endorphins