Figure 3. Responses of coronary blood flow, mesenteric blood flow, renal blood flow and iliac blood flow to graded increases in intra-arterial concentration of testosterone between 0.125 and 8 μg l⁻¹ in five pigs.

The means of percentage changes in blood flow obtained during the test periods of measurement are plotted against the logarithm of the doses. C, control value before infusions. Abbreviations as in Fig. 1. The bars indicate s.d.