No abstract available
Publication types
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Clinical Trial
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Letter
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Randomized Controlled Trial
MeSH terms
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Adult
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Chronic Disease
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Double-Blind Method
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Female
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Follow-Up Studies
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Hepatitis B / drug therapy*
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Hepatitis B Surface Antigens / blood
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Humans
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Male
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Middle Aged
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Plants, Medicinal*
Substances
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Hepatitis B Surface Antigens