Taylor LE، Swerdfeger AL، Eslick GD (يونيو 2014). "Vaccines are not associated with autism: an evidence-based meta-analysis of case-control and cohort studies". Vaccine. ج. 32 ع. 29: 3623–3629. DOI:10.1016/j.vaccine.2014.04.085. PMID:24814559.
Sigman M، Dijamco A، Gratier M، Rozga A (2004). "Early detection of core deficits in autism". Mental Retardation and Developmental Disabilities Research Reviews. ج. 10 ع. 4: 221–233. CiteSeerX:10.1.1.492.9930. DOI:10.1002/mrdd.20046. PMID:15666338.
Rutgers AH، Bakermans-Kranenburg MJ، van Ijzendoorn MH، van Berckelaer-Onnes IA (سبتمبر 2004). "Autism and attachment: a meta-analytic review". Journal of Child Psychology and Psychiatry, and Allied Disciplines. ج. 45 ع. 6: 1123–1134. DOI:10.1111/j.1469-7610.2004.t01-1-00305.x. PMID:15257669.
Taylor LE، Swerdfeger AL، Eslick GD (يونيو 2014). "Vaccines are not associated with autism: an evidence-based meta-analysis of case-control and cohort studies". Vaccine. ج. 32 ع. 29: 3623–3629. DOI:10.1016/j.vaccine.2014.04.085. PMID:24814559.
Sigman M، Dijamco A، Gratier M، Rozga A (2004). "Early detection of core deficits in autism". Mental Retardation and Developmental Disabilities Research Reviews. ج. 10 ع. 4: 221–233. CiteSeerX:10.1.1.492.9930. DOI:10.1002/mrdd.20046. PMID:15666338.
Rutgers AH، Bakermans-Kranenburg MJ، van Ijzendoorn MH، van Berckelaer-Onnes IA (سبتمبر 2004). "Autism and attachment: a meta-analytic review". Journal of Child Psychology and Psychiatry, and Allied Disciplines. ج. 45 ع. 6: 1123–1134. DOI:10.1111/j.1469-7610.2004.t01-1-00305.x. PMID:15257669.