Ultrasound using the transverse approach to the lumbar spine provides reliable landmarks for labor epidurals

ARZOLA, Cristian ; DAVIES, Sharon ; ROFAEEL, Ayman ; CARVALHO, Jose C. A

Anesthesia and analgesia, 2007-05, Vol.104 (5), p.1188-1192 [Periódico revisado por pares]

Hagerstown, MD: Lippincott

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