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nih.gov
ncbi.nlm.nih.gov
Tanaka S, Abe H, Sato H, Shiwaku H, Minami H, Sato C, 외. (October 2021). “Frequency and clinical characteristics of special types of achalasia in Japan: A large-scale, multicenter database study”. 《Journal of Gastroenterology and Hepatology》 36 (10): 2828–2833. doi:10.1111/jgh.15557. PMID34032322. S2CID235200001.
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semanticscholar.org
api.semanticscholar.org
Tanaka S, Abe H, Sato H, Shiwaku H, Minami H, Sato C, 외. (October 2021). “Frequency and clinical characteristics of special types of achalasia in Japan: A large-scale, multicenter database study”. 《Journal of Gastroenterology and Hepatology》 36 (10): 2828–2833. doi:10.1111/jgh.15557. PMID34032322. S2CID235200001.