title: The good, the bad, and the ugly: adverse events and Crohn's therapies.
authors.affiliation: Division of Gastroenterology and Hepatology Center for Crohn's and Colitis, University of California, San Francisco, California, USA.
authors.forename: Derrick
authors.initials: D
authors.lastname: Siao
authors.forename: Fernando S
authors.initials: FS
authors.lastname: Velayos