title: Ensuring sterility of opioids for spinal administration.
authors.forename: B G
authors.initials: BG
authors.lastname: Green
authors.forename: G V
authors.initials: GV
authors.lastname: Pathy
mesh_terms: D000701:Analgesics, Opioid; D000765:Anesthesia, Conduction; D001207:Asepsis / Q000379:methods*; D004340:Drug Contamination / Q000517:prevention & control*; D006801:Humans
chemical_list: D000701:Analgesics, Opioid