title: Onset time of analgesic agents revisited.
authors.forename: M
authors.initials: M
authors.lastname: Lippmann
authors.forename: R
authors.initials: R
authors.lastname: Ginsburg
mesh_terms: D000700:Analgesics / Q000494:pharmacology*; D002077:Butorphanol / Q000494:pharmacology; D006801:Humans; D013997:Time Factors
chemical_list: D000700:Analgesics; D002077:Butorphanol