Low perceived social support and post-myocardial infarction prognosis in the enhancing recovery in coronary heart disease clinical trial: the effects of treatment.
Burg MM, Barefoot J, Berkman L, Catellier DJ, Czajkowski S, Saab P, Huber M, DeLillo V, Mitchell P, Skala J, et al. Psychosom Med. 2005 Nov-Dec; 67(6):879-88.