Low lactase levels: evaluation of the radiologic diagnosis.
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Adult↗
Biomedical subjects
N L Christopher
Publications and source records attributed to N L Christopher.
Role of the small bowel and colon in lactose-induced diarrhea.
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Adult↗
Comparison of random cytologic washing and intragastric brushing under direct vision.
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Cytodiagnosis↗
Relationship of chronic ulcerative esophagitis to ulcerative colitis.
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Adolescent↗
Cytologic intragastric brushing under direct vision: a new gastric brush.
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Cytodiagnosis↗