EFFECT OF VERAPAMIL ON ARTERIAL PRESSURE AND VARIOUS PARAMETERS OF HEART CONTRACTILE FUNCTION IN RABBITS WITH PRERENAL ARTERY HYPERTENSION WHEN ADMINISTERED AT VARIOUS TIMES OF DAY ArticleLepakhin V.K., Frolov V.A., Matyev E.S., Kazanskaia T.A., Mogilevskiĭ V.A.Byulleten Eksperimentalnoi Biologii i Meditsiny. Vol. 115. 1993. P.. 41-43