title: Epidural endeavour and the pressure principle.
authors.forename: K
authors.initials: K
authors.lastname: Cullis
authors.forename: J
authors.initials: J
authors.lastname: Isaac
mesh_terms: D015360:Analgesia, Epidural / Q000379:methods*; D000767:Anesthesia, Epidural / Q000379:methods*; D004824:Epidural Space / Q000502:physiology; D006801:Humans; D011312:Pressure