Ursodeoxycholic Acid Treatment Preferentially Improves Overall Survival Among African Americans With Primary Biliary Cholangitis. - Gordon, Stuart C.; Kuan-Han Hank Wu; Lindor, Keith; Bowlus, Christopher L.; Rodriguez, Carla V.; Anderson, Heather; Boscarino, Joseph A.; Trudeau, Sheri; Rupp, Loralee B.; Haller, Irina V.; Romanelli, Robert J.; VanWormer, Jeffrey J.; et al. (American Journal of Gastroenterology (Lippincott Williams & Wilkins), 2020)