title: Vasoactive intestinal peptide/phentolamine. Invicorp, vasopotin.
mesh_terms: D002986:Clinical Trials as Topic; D004338:Drug Combinations; D007172:Erectile Dysfunction / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010646:Phentolamine / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D014660:Vasoactive Intestinal Peptide / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D004338:Drug Combinations; D014660:Vasoactive Intestinal Peptide; D010646:Phentolamine