Correlation between Saliva and Plasma Levels of Endothelin Isoforms ET-1, ET-2, and ET-3

Figure 1

HPLC profiles of endothelin isoforms ET-3 (1), BET-1 (2), ET-1 (3), and ET-2 (4) in human (a) plasma and (b) saliva samples (including unspiked and spiked biological matrices along with endothelin standards).

(a)

(b)