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Citation
Besanko LK, Burgstad CM, Mountifield R, Andrews JM, Heddle R, Checklin H, Fraser RJ. Lower esophageal sphincter relaxation is impaired in older patients with dysphagia. World J Gastroenterol 2011; 17(10): 1326-1331 [PMID: 21455332 DOI: 10.3748/wjg.v17.i10.1326]
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