Effects of a spore-forming probiotic blend on bowel habits and physical well-being in adults with functional constipation: A randomized, double-blind, placebo-controlled trial - Hyung Gyu Park; Han Bin Lee; Minjee Lee; Haeseong Park; Minji Kang; Minkyung Bok; Yeongtaek Hwang; Kyuho Jeong; Sungho Maeng; Hyunjung Lim; Jin Seok Moon (PLoS ONE, 2026)