References for “Herbal and dietary supplements for depression”
Alpert JE, et al. "S-adenosyl-L-methionine (SAMe) as an Adjunct for Resistant Major Depressive Disorder: An Open Trial Following Partial or Nonresponse to Selective Serotonin Reuptake Inhibitors or Venlafaxine," Journal of Clinical Psychopharmacology (Dec. 2004): Vol. 24, No. 6, pp. 661–64.
Coppen A, et al. "Enhancement of the Antidepressant Action of Fluoxetine by Folic Acid: A Randomised, Placebo Controlled Trial," Journal of Affective Disorders (Nov. 2000): Vol. 60, No. 2, pp. 121–30.