title: Identification of epidural space using air with normal saline.
authors.forename: S S
authors.initials: SS
authors.lastname: Kale
authors.forename: S A
authors.initials: SA
authors.lastname: Oosthuysen
mesh_terms: D000388:Air; D000767:Anesthesia, Epidural / Q000379:methods*; D004824:Epidural Space; D004867:Equipment Design; D006801:Humans; D012965:Sodium Chloride; D013594:Syringes
chemical_list: D012965:Sodium Chloride