Is it time to abandon the loss of resistance to air technique for labor analgesia?
Kuczkowski
Krzysztof M
KM
Reynolds
Michele S
MS
D000388:Air; D016362:Analgesia, Obstetrical / Q000009:adverse effects* / Q000379:methods*; D006801:Humans; D007268:Injections, Epidural / Q000009:adverse effects* / Q000379:methods*