title: Epidural catheter design: holes and flows.
authors.forename: C B
authors.initials: CB
authors.lastname: Collier
mesh_terms: D015360:Analgesia, Epidural / Q000295:instrumentation*; D016362:Analgesia, Obstetrical / Q000295:instrumentation*; D002406:Catheterization, Peripheral / Q000295:instrumentation; D004867:Equipment Design; D005260:Female; D006801:Humans; D011247:Pregnancy