title: Butorphanol nasal spray for pain.
mesh_terms: D000281:Administration, Intranasal; D002077:Butorphanol / Q000008:administration & dosage* / Q000009:adverse effects / Q000493:pharmacokinetics; D004361:Drug Tolerance; D006801:Humans; D010146:Pain / Q000188:drug therapy*; D013375:Substance Withdrawal Syndrome / Q000209:etiology
chemical_list: D002077:Butorphanol