title: How far should a catheter be inserted into the epidural space?
authors.forename: P M
authors.initials: PM
authors.lastname: Kempen
mesh_terms: D015360:Analgesia, Epidural / Q000379:methods*; D002404:Catheterization / Q000295:instrumentation; D004824:Epidural Space; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy