No abstract available
MeSH terms
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Amniocentesis / adverse effects
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Amniocentesis / methods*
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Chorionic Villi Sampling / adverse effects
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Chorionic Villi Sampling / methods
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Cordocentesis / adverse effects
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Cordocentesis / methods
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Female
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HIV Infections / complications
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Humans
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Pregnancy
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Pregnancy, Multiple / physiology
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Randomized Controlled Trials as Topic
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Rh Isoimmunization / prevention & control
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Risk Factors
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Time Factors