title: My worries are no longer behind me.
authors.affiliation: Rosenstiel Basic Medical Sciences Research Center, Brandeis University, Waltham, MA 02454-9110, USA. petsko@brandeis.edu
authors.forename: Gregory A
authors.initials: GA
authors.lastname: Petsko
mesh_terms: D003110:Colonic Neoplasms / Q000175:diagnosis*; D003113:Colonoscopy; D006801:Humans