title: Injection technique to induce penile erection.
mesh_terms: D006493:Heparin / Q000008:administration & dosage; D006801:Humans; D007267:Injections; D008297:Male; D010413:Penis / Q000002:abnormalities* / Q000601:surgery; D010781:Photography; D012965:Sodium Chloride / Q000008:administration & dosage*
chemical_list: D012965:Sodium Chloride; D006493:Heparin