Control of experimentally produced gastric bleeding by a fiberoptically transmitted argon laser beam: status of investigation.
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Animals↗
Biomedical subjects
R A De Beer
Publications and source records attributed to R A De Beer.
Comparison of cononoscopy and contrast x-ray study in diagnosis of 500 cases of colorectal disease.
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Barium Sulfate↗
Colonic lipomas. An endoscopic analysis.
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Aged↗