title: Crohn's and colitis: science progresses steadily.
authors.forename: B
authors.initials: B
authors.lastname: Crotty
authors.forename: R A
authors.initials: RA
authors.lastname: Smallwood
mesh_terms: D001315:Australia / Q000453:epidemiology; D015984:Causality; D004777:Environment; D020022:Genetic Predisposition to Disease; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000453:epidemiology / Q000209:etiology* / Q000628:therapy*