Richards, C., Moss, J., Nelson, L. et al. Persistence of self-injurious behaviour in autism spectrum disorder over 3 years: a prospective cohort study of risk markers. J Neurodevelop Disord 8, 21 (2016).
Tye C, Runicles AK, Whitehouse AJO and Alvares GA (2019) Characterizing the Interplay Between Autism Spectrum Disorder and Comorbid Medical Conditions: An Integrative Review. Front. Psychiatry 9:751.