Takeoka A, Kimura T, Hara S, Hamaguchi T, Fukudo S, Tayama J.
Prevalence of Irritable Bowel Syndrome in Japan, China, and South Korea: An International Cross-sectional Study. J Neurogastroenterol Motil 2023;29:229-237.
https://doi.org/10.5056/jnm22037