Cite
HARVARD Citation
Khan, A. et al. (2021). Chicago Classification update (version 4.0): Technical review on diagnostic criteria for achalasia. Neurogastroenterology & motility. 33 (7), p. n/a. [Online].
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Khan, A. et al. (2021). Chicago Classification update (version 4.0): Technical review on diagnostic criteria for achalasia. Neurogastroenterology & motility. 33 (7), p. n/a. [Online].