by KENAROVA, Buriana, NEYCHEV, Hristo, HADJIIVANOVA, Christina, PETKOV, Vesselin D.
Published in Japanese journal of pharmacology (1990)

by Petkov, V.D. (Bulgarian Academy of Sciences, Sofia (Bulgaria). Inst. of Physiology), Kehayov, R, Belcheva, S, Konstantinova, E, Petkov, V.V, Getova, D, Markovska, V
Published in Planta medica (01.04.1993)

by Belcheva, Iren, Belcheva, Stiliana, Petkov, Vesselin V., Petkov, Vesselin D.
Published in Brain research (21.03.1994)

by Genkova-Papazova, Maria, Lazarova-Bakarova, Maria, Petkov, Vesselin D.
Published in Pharmacology, biochemistry and behavior (1994)

by GENKOVA-PAPAZOVA, M, LAZAROVA-BAKAROVA, M, PETKOV, V. D
Published in Pharmacology, biochemistry and behavior (01.12.1994)

by Hadjiivanova, Christina, Petkov, Vesselin D., Maslarov, Dimitar, Totev, Antonyi, Panova, Yordanka, Belcheva, Iren
Published in General pharmacology (1997)

by Belcheva, Iren, Belcheva, Stiliana, Petkov, Vesselin V, Hadjiivanova, Christina, Petkov, Vesselin D
Published in General pharmacology (01.03.1997)

by Petkov, V D, Stancheva, S L, Tocuschieva, L, Petkov, V V
Published in General pharmacology (1990)

by Stancheva, S L, Petkov, V D, Hadjiivanova, C I, Petkov, V V
Published in General pharmacology (1991)