No abstract available
MeSH terms
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Abortion, Spontaneous
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Czechoslovakia
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False Negative Reactions
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False Positive Reactions
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Female
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Humans
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Laparotomy
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Pregnancy
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Pregnancy Tests
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Pregnancy, Abdominal / diagnosis
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Pregnancy, Ectopic / diagnosis*
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Pregnancy, Ectopic / surgery
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Pregnancy, Tubal / diagnosis
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Retrospective Studies