Pre-intervention distress moderates the efficacy of psychosocial treatment for cancer patients: a meta-analysis.
Schneider S, Moyer A, Knapp-Oliver S, Sohl S, Cannella D, Targhetta V. Pre-intervention distress moderates the efficacy of psychosocial treatment for cancer patients: a meta-analysis. J Behav Med. 2010 Feb; 33(1):1-14.