Sympathomimetic Activity of a Hoodia gordonii Product: A Possible Mechanism of Cardiovascular Side Effects
Figure 2
Effects of Hoodia spray on spontaneous ((a) and (c)) and KCl-stimulated ((b) and (d)) contractility of uterine rings from nonpregnant ((a) and (b)) and late-pregnant ((c) and (d)) animals. Experiments were performed in the presence (■) and absence (□) of propranolol. *, **, and *** indicate , , and , respectively.