Sterile water blocks for back pain in labor.
Jonquil
S G
SG
D000328:Adult; D005260:Female; D006801:Humans; D008161:Lumbosacral Region; D009407:Nerve Block / Q000379:methods* / Q000451:nursing; D009721:Nurse Midwives; D007744:Obstetric Labor Complications / Q000628:therapy*; D059408:Pain Management; D011247:Pregnancy; D014867:Water
D014867:Water