Chin-Hee Song, Nayoung Kim, Yonghoon Choi, Seulgi Kim, Kyung Su Kim, Min Hee Park, Sang Hee Lee, Dong Ho Lee. "Beneficial effect of consuming milk containing only A2 beta-casein on gut microbiota: A single-center, randomized, double-blind, cross-over study." PLoS ONE, 2025. doi:10.1371/journal.pone.0323016