Is it beneficial to involve a family member? A meta-analysis of psychosocial interventions for chronic illness. Health Psychol, 23(6), 599-611. presented at the 2004 Nov. doi:10.1037/0278-6133.23.6.599
. (2004). Review and meta-analysis of couple-oriented interventions for chronic illness. Ann Behav Med, 40(3), 325-42. presented at the 2010 Dec. doi:10.1007/s12160-010-9216-2
. (2010).