No abstract available
Publication types
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Clinical Trial
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Comparative Study
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Controlled Clinical Trial
MeSH terms
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Adolescent
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Adult
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Aged
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Clinical Trials as Topic
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Drug Administration Schedule
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Duodenal Ulcer / drug therapy*
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Female
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Humans
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Male
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Middle Aged
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Prospective Studies
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Random Allocation
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Ranitidine / administration & dosage*