Epidural endeavour and the pressure principle.
Wilson
M J A
MJ
D015360:Analgesia, Epidural / Q000379:methods*; D000767:Anesthesia, Epidural / Q000379:methods*; D004824:Epidural Space / Q000033:anatomy & histology / Q000502:physiology*; D006801:Humans; D011312:Pressure