title: New MMR research challenged.
mesh_terms: D001321:Autistic Disorder / Q000139:chemically induced*; D015982:Bias; D006801:Humans; D008457:Measles / Q000517:prevention & control; D022542:Measles-Mumps-Rubella Vaccine / Q000009:adverse effects*; D010290:Parents / Q000523:psychology; D012107:Research Design; D012307:Risk Factors; D013222:State Medicine / Q000331:legislation & jurisprudence; D014481:United States
chemical_list: D022542:Measles-Mumps-Rubella Vaccine