title: Follow-up time bias and Crohn's disease.
authors.forename: F C
authors.initials: FC
authors.lastname: Fraser
mesh_terms: D000328:Adult; D017668:Age of Onset; D002648:Child; D003424:Crohn Disease / Q000453:epidemiology / Q000235:genetics*; D005260:Female; D020022:Genetic Predisposition to Disease; D006801:Humans; D008297:Male; D018911:Trinucleotide Repeats