| 0404 | Time trends in autism and in MMR immunization coverage in California | Dales L, Hammer SJ, Smith NJ, Schopler E, Kerr B, Hersh JH, Dean JC | USA |
| 0409 | Prenatal, perinatal, and neonatal factors in autism, pervasive developmental disorder-not otherwise specified, and the general population | Juul-Dam N, Townsend J, Courchesne E, Schopler E, Kerr B, Hersh JH, Dean JC | USA |
| 0410 | Pre- and perinatal factors in high-functioning females and males with autism | Lord C, Mulloy C, Wendelboe M, Schopler E, Kerr B, Hersh JH, Dean JC | USA |