title: Respiratory monitoring in patient-controlled analgesia.
authors.forename: Ray R
authors.initials: RR
authors.lastname: Maddox
authors.forename: Carolyn K
authors.initials: CK
authors.lastname: Williams
authors.forename: Marianne
authors.initials: M
authors.lastname: Fields
mesh_terms: D016058:Analgesia, Patient-Controlled / Q000009:adverse effects / Q000379:methods* / Q000639:trends; D002245:Carbon Dioxide / Q000032:analysis; D006801:Humans; D010100:Oxygen / Q000097:blood; D012119:Respiration / Q000187:drug effects*
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen