Response to Letter Regarding Article, “Effect of Sulfaphenazole on Tissue Plasminogen Activator Release in Normotensive Subjects and Hypertensive Patients”

We thank Drs Brown and Pretorius for their interest in our article about the effect of sulfaphenazole on tissue plasminogen activator (t-PA) release.1 Drs Brown and Pretorius are correct in observing that the t-PA concentrations in Table 2 are reported as ng · min−1 · 100 mL−1 instead of ng/mL, which is a clear typographical error. In fact, the calculation of t-PA release (balance) was properly reported in the Methods, and t-PA release …