Doherty, Alison Jayne ORCID: 0000-0003-3593-8069, Hastings, Richard, Hatton, Christopher, Hood, Kerry, James-Jenkinson, Lynn, LEAVEY, RALPH, Randell, Elizabeth, Reed, Janet, Taggart, Laurence et al (2018) Barriers and facilitators to primary health care services for physical and / or mental health issues experienced by adolescents and adults either with intellectual disabilities (only), with intellectual disabilities and autism, or with autism (only): an integrative review. Technical Report. Centre for Reviews and Dissemination, University of York.