Acute Onset Headache Complicating Labor Epidural Caused by Intrapartum Pneumocephalus
Obstet Gynecol 108:795-798, Smarkusky,L.,et al, 2006
Accidental Dural Puncture in Obstetric Patients and Long Term Symptoms
BMJ 306:883-885, MacArthur,C.,et al, 1993