Invasive studies during normal pregnancy.
Berkowitz
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RL
Berkowitz
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GS
D028744:Ethics Committees, Research; D004992:Ethics, Medical; D005260:Female; D006801:Humans; D033281:Nontherapeutic Human Experimentation; D011247:Pregnancy; D037841:Pregnant People; D012106:Research; D035842:Research Subjects; D018570:Risk Assessment