Citation

Johne A, Schmider J, Brockmöller J, Stadelmann AM, Störmer E, Bauer S, Scholler G, Langheinrich M, Roots I.. 2002. Decreased plasma levels of amitriptyline and its metabolites on comedication with an extract from St John's wort (Hypericum perforatum). Journal of Clinical Psychopharmacology 22(1):46-54.