Long-Term Alteration of Intestinal Microbiota in Patients with Ulcerative Colitis by Antibiotic Combination Therapy
http://www.plosone.org/article/info:doi/10.1371/journal.pone.0086702#s4
http://www.plosone.org/article/info:doi/10.1371/journal.pone.0086702#s4