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Fig. 2.
Gastrointestinal Symptom Rating Scale according to the presence of chronic constipation and the presence of narrow-sense gastroesophageal reflux disease (GERD).
J Neurogastroenterol Motil 2022;28:291~302
https://doi.org/10.5056/jnm21065
© J Neurogastroenterol Motil