No abstract available
MeSH terms
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Adult
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Aged
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Alkalies / therapeutic use*
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Cimetidine / administration & dosage
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Drug Evaluation
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Drug Therapy, Combination
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Duodenal Ulcer / drug therapy*
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Female
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Histamine H2 Antagonists / therapeutic use*
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Humans
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Male
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Middle Aged
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Ranitidine / administration & dosage
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Time Factors
Substances
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Alkalies
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Histamine H2 Antagonists
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Cimetidine
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Ranitidine