Petkov Vv

Changes in 5-HT1 receptors in different brain structures of rats with isolation syndrome.

J. Popova, Petkov Vv, 1990 .

The Utility of Ethological Assessments of Murine Agonistic Interactions in Behavioural Teratology: The Foetal Alcohol Syndrome

P. Brain, J. Ajarem, Petkov Vv, 1987 .

Comparative studies on the effects of the nootropic drugs adafenoxate, meclofenoxate and piracetam, and of citicholine on scopolamine-impaired memory, exploratory behavior and physical capabilities (experiments on rats and mice).

Mosharrof Ah, Petkov Vv, Petkov Vd, 1988 .

Participation of the serotonergic system in the memory effects of Ginkgo biloba L. and Panax ginseng C. A. Mey

V. Petkov, V. Petkov, R. Kehayov, 1994 .

Effect of  Ginkgo biloba extract on β‐adrenergic receptors in different rat brain regions

V. Petkov, C. Hadjiivanova, Petkov Vv, 2002 .

Effects of standardized extracts GK501, from Ginkgo biloba L., G115 from Panax ginseng C. A. Meyer, and their combination, gincosan® (PHL‐00701), on the brain levels of biogenic monoamines and on the serum content of prolactin, growth hormone and ACTH

N. Boyadjieva, V. Petkov, V. Petkov, 1993 .