[Effect on moxibustion at Sanyinjiao (SP 6) for uterine contraction pain in labor: a randomized controlled trial].
Ma
Shu-xiang
SX
TCM Department, North China Coal Medical University, Tangshan 063000, China.
Wu
Fan-wu
FW
Cui
Jian-mei
JM
Jin
Zi-huan
ZH
Kong
Ling-jun
LJ