Pilling, S.; Bebbington, P.; Kuipers, E.; Garety, P.; Geddes, J.; Orbach, G.; Morgan, C.; (2002) Psychological treatments in schizophrenia: I. Meta-analysis of family intervention and cognitive behaviour therapy. Psychological Medicine , 32 (5) pp. 763-782. 10.1017/S0033291702005895 <https://doi.org/10.1017/S0033291702005895>. Green open access