No abstract available
Publication types
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Comparative Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Adult
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Analysis of Variance
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China
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Cross-Sectional Studies
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Homosexuality, Male / statistics & numerical data*
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Humans
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Internet / statistics & numerical data
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Male
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Middle Aged
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Surveys and Questionnaires*
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Young Adult