Continuous epidural analgesia: experience with mechanical injection devices.
D000698:Analgesia / Q000295:instrumentation*; D004837:Epinephrine; D006801:Humans; D007275:Injections, Intravenous / Q000295:instrumentation*; D008012:Lidocaine; D013618:Tachyphylaxis; D013997:Time Factors
D008012:Lidocaine; D004837:Epinephrine