An Increased Abundance of Clostridiaceae Characterizes Arthritis in Inflammatory Bowel Disease and Rheumatoid Arthritis: A Cross-sectional Study. Issue 5 (11th April 2019) - Muñiz Pedrogo, David A; Chen, Jun; Hillmann, Benjamin; Jeraldo, Patricio; Al-Ghalith, Gabriel; Taneja, Veena; Davis, John M; Knights, Dan; Nelson, Heidi; Faubion, William A; Raffals, Laura; Kashyap, Purna C