Length of spinal needles.
Corfe
J
J
D000773:Anesthesia, Obstetrical / Q000295:instrumentation*; D000775:Anesthesia, Spinal / Q000295:instrumentation*; D005260:Female; D006801:Humans; D009339:Needles; D009765:Obesity / Q000150:complications; D011247:Pregnancy; D011248:Pregnancy Complications