Green, J., Charman, T., McConachie, H., Aldred, C., , Howlin, P., … PACT, C. (1969). Parent-mediated communication-focused treatment in children with autism (PACT): a randomised controlled trial. Lancet, 375(9732), 2152-60. https://doi.org/10.1016/S0140-6736(10)60587-9 (Original work published)

Hudry, K., Leadbitter, K., Temple, K., , McConachie, H., Aldred, C., … PACT, C. (2010). Preschoolers with autism show greater impairment in receptive compared with expressive language abilities. International Journal of Language & Communication Disorders Royal College of Speech & Language Therapists, 45(6), 681-90. https://doi.org/10.3109/13682820903461493 (Original work published 2010)