Air versus saline.
Burbidge
M J
MJ
Gunning
P
P
D000388:Air; D000767:Anesthesia, Epidural / Q000009:adverse effects*; D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D005260:Female; D006801:Humans; D011247:Pregnancy; D012965:Sodium Chloride
D012965:Sodium Chloride