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The American Journal of Physiology|June 1, 1997
Augmentation of deglutitive upper esophageal sphincter opening in the elderly by exerciseR Shaker, M Kern, E Bardan, et al.
AJR. American Journal of Roentgenology|November 1, 1982
Evaluation of 12 colon-cleansing regimens with single-contrast barium enemaA J Present, B Jansson, H J Burhenne, et al.
Tissue Antigens|June 16, 2006
Association of canine hypothyroidism with a common major histocompatibility complex DLA class II alleleL J Kennedy, S Quarmby, G M Happ, et al.
The New England Journal of Medicine|June 15, 2000
A comparison of colonoscopy and double-contrast barium enema for surveillance after polypectomy. National Polyp Study Work GroupS J Winawer, E T Stewart, A G Zauber, et al.
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