Higgins, JP, Green, S. Cochrane Handbook for Systematic Reviews of Interventions.
John Wiley a Sons, 2011.
Elis, O, Caponigro, JM, Kring, AM. Psychosocial treatments for negative symptoms in schizophrenia: current practices and future directions. Clin Psychol Rev
2013; 33: 914–28.
Fu, R, Holmer, HK. Change score or follow-up score? Choice of mean difference estimates could impact meta-analysis conclusions. J Clin Epidemiol
2016; 76: 108–17.
Cornell, JE, Mulrow, CD, Localio, R, Stack, CB, Meibohm, AR, Guallar, E, et al. Random-effects meta-analysis of inconsistent effects: a time for change. Ann Intern Med
2014; 160: 267–70.
DerSimonian, R, Laird, N. Meta-analysis in clinical trials revisited. Contemp Clin Trials
2015; 45(Pt A): 139–45.