title: Crohn's disease--is there a long latent period?
abstract: Four cases of Crohn's disease developing in adult females, who had been in close contact during their teens, are described. It is suggested that this could indicate an infective causation for Crohn's disease with a long latency.
mesh_terms: D000328:Adult; D003424:Crohn Disease / Q000209:etiology*; D005260:Female; D006801:Humans; D009660:Northern Ireland; D013029:Space-Time Clustering; D013997:Time Factors