title: MMR vaccine and Crohn's disease: ecological study of hospital admissions in England, 1991 to 2002.
authors.affiliation: Unit of Health-Care Epidemiology, Department of Public Health, University of Oxford, Oxford OX3 7LF. valerie.seagroatt@dphpc.ox.ac.uk
authors.forename: Valerie
authors.initials: V
authors.lastname: Seagroatt
mesh_terms: D000293:Adolescent; D017677:Age Distribution; D002648:Child; D002675:Child, Preschool; D003424:Crohn Disease / Q000139:chemically induced / Q000453:epidemiology / Q000209:etiology*; D004739:England / Q000453:epidemiology; D006760:Hospitalization / Q000706:statistics & numerical data; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D022542:Measles-Mumps-Rubella Vaccine / Q000009:adverse effects*; D012307:Risk Factors
chemical_list: D022542:Measles-Mumps-Rubella Vaccine