Polysomnographic Effects of Adjuvant Ginkgo Biloba Therapy in Patients with Major Depression Medicated with Trimipramine - Hemmeter, U; Annen, B; Bischof, R; Brüderlin, U; Hatzinger, M; Rose, U; Holsboer-Trachsler, E (Pharmacopsychiatry, 2001)