[Continuous spinal analgesia in obstetrics: an effective alternative to epidural anesthesia].
Moreno
A
A
Palacio
F J
FJ
Rodríguez Fraile
J
J
Bermejo
L
L
Fornet
I
I
Reina
M A
MA
D000328:Adult; D016362:Analgesia, Obstetrical / Q000379:methods*; D000767:Anesthesia, Epidural; D000775:Anesthesia, Spinal; D000075202:Contraindications; D005260:Female; D006801:Humans; D011247:Pregnancy