Effects of reduced gluten intake through the inclusion of yellow pea-based products on abdominal symptoms in habitual wheat consumers: a non-randomized clinical trial - Hitoshi Shimbo; Mamoru Ito; Yuto Aoki; Joto Yoshimoto; Mikiya Kishi; Jiro Saito; Yukihiro Ohya; Masashi Nakamura; Senju Hashimoto; Akiko Yagami (European Journal of Nutrition, 2026)