No abstract available
MeSH terms
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Anti-Ulcer Agents / therapeutic use*
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Gastrointestinal Hemorrhage / prevention & control*
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Humans
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Peptic Ulcer / prevention & control*
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Ranitidine / therapeutic use*
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Respiration, Artificial / adverse effects
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Stress, Physiological
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Sucralfate / therapeutic use*
Substances
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Anti-Ulcer Agents
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Sucralfate
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Ranitidine