title: Shedding some light on Crohn's disease: birth month and vitamin D?
authors.forename: Celia M
authors.initials: CM
authors.lastname: Ross
mesh_terms: D001719:Birth Certificates; D003424:Crohn Disease / Q000453:epidemiology / Q000209:etiology* / Q000276:immunology; D006801:Humans; D012621:Seasons; D017634:Self Tolerance; D013472:Sunlight; D014807:Vitamin D / Q000502:physiology*
chemical_list: D014807:Vitamin D