Goodyer, I. M., Reynolds, S., Barrett, B., Byford, S., Dubicka, B., Hill, J., . . . Fonagy, P. (2017). Cognitive behavioural therapy and short-term psychoanalytical psychotherapy versus a brief psychosocial intervention in adolescents with unipolar major depressive disorder (IMPACT): A multicentre, pragmatic, observer-blind, randomised controlled superiority trial. Lancet Psychiatry.

Goodyer, Ian M., et al. "Cognitive Behavioural Therapy and Short-term Psychoanalytical Psychotherapy Versus a Brief Psychosocial Intervention in Adolescents With Unipolar Major Depressive Disorder (IMPACT): A Multicentre, Pragmatic, Observer-blind, Randomised Controlled Superiority Trial." Lancet Psychiatry 2017.

Goodyer, Ian M., et al. "Cognitive Behavioural Therapy and Short-term Psychoanalytical Psychotherapy Versus a Brief Psychosocial Intervention in Adolescents With Unipolar Major Depressive Disorder (IMPACT): A Multicentre, Pragmatic, Observer-blind, Randomised Controlled Superiority Trial." Lancet Psychiatry 2017.