1. Life events, vulnerability and onset of depression: some refinements;Brown;Br. J. Psychiatry,1987
2. Behavioral effects of Ginkgo-biloba extract;Continella,1985
3. Ginkgo biloba and memory: an overview;Field;Nutr. Neurosci.,1998
4. A psychobiological framework for research on human stress and coping;Frankenhaeuser,1986
5. Psychosocial stimuli, physiological specificity, and cardiovascular disease;Henry,1981