Improved abdominal amniocentesis with use of a teflon catheter.
D000328:Adult; D000653:Amniotic Fluid; D002404:Catheterization / Q000295:instrumentation*; D004899:Erythroblastosis, Fetal; D005260:Female; D005465:Fluorocarbon Polymers; D006801:Humans; D007751:Labor, Induced; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic
D005465:Fluorocarbon Polymers