Prospective Placebo-Controlled Assessment of Spore-Based Probiotic Supplementation on Sebum Production, Skin Barrier Function, and Acne. - Rybak, Iryna; Haas, Kelly N.; Dhaliwal, Simran K.; Burney, Waqas A.; Pourang, Aunna; Sandhu, Simran S.; Maloh, Jessica; Newman, John W.; Crawford, Robert; Sivamani, Raja K. (Journal of Clinical Medicine, 2023)