title: Location, location, location.
authors.forename: S L
authors.initials: SL
authors.lastname: Shafer
authors.forename: J C
authors.initials: JC
authors.lastname: Eisenach
mesh_terms: D000701:Analgesics, Opioid / Q000008:administration & dosage* / Q000134:cerebrospinal fluid / Q000493:pharmacokinetics; D000777:Anesthetics / Q000008:administration & dosage* / Q000134:cerebrospinal fluid / Q000493:pharmacokinetics; D000818:Animals; D006801:Humans; D007278:Injections, Spinal; D008954:Models, Biological; D013552:Swine
chemical_list: D000701:Analgesics, Opioid; D000777:Anesthetics