No abstract available
MeSH terms
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Aged, 80 and over
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Cholangiopancreatography, Endoscopic Retrograde / adverse effects*
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Gallstones / therapy*
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Humans
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Male
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Mediastinal Emphysema / etiology*
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Pneumoperitoneum / etiology*
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Pneumothorax / etiology*
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Subcutaneous Emphysema / etiology*