title: Through the needle approach for difficult epidurals.
authors.forename: W F
authors.initials: WF
authors.lastname: Sellers
mesh_terms: D015360:Analgesia, Epidural / Q000379:methods*; D016362:Analgesia, Obstetrical / Q000379:methods*; D005260:Female; D006801:Humans; D011247:Pregnancy