References for "Managing chronic depression"
Alpert JE et al., ed. Handbook of Chronic Depression: Diagnosis and Therapeutic Management (Marcel Dekker, Inc., 2004).
Arnow BA, et al. "Effectiveness of Psychotherapy and Combination Treatment for Chronic Depression," Journal of Clinical Psychology (Aug. 2003): Vol. 59, No. 8, pp. 893–905. www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=12858430