Fig. 3

Mean plasma concentration-time profiles of atenolol in rats after oral administration. Mean plasma concentration-time profiles of atenolol in rats after oral administration. Atenolol (1 mg/kg, 0.25 mg/ml) was orally administered with purified water (open circles) or hyperosmotic solution (closed circles). Data are shown as the means ± S.E. (n = 6)