No abstract available
MeSH terms
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Equipment Design
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Female
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Hong Kong / epidemiology
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Humans
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Infertility / epidemiology
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Male
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Ovary / diagnostic imaging*
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Ovulation Induction / methods
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Pregnancy
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Sperm Motility / physiology*
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Ultrasonography / adverse effects
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Ultrasonography / instrumentation*
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Ultrasonography / methods