Effect of Breed on Plasma Endothelin-1 Concentration, Plasma Renin Activity, and Serum Cortisol Concentration in Healthy Dogs. Höglund K, Lequarré AS, Ljungvall I, et al. Effect of Breed on Plasma Endothelin-1 Concentration, Plasma Renin Activity, and Serum Cortisol Concentration in Healthy Dogs. J Vet Intern Med. 2016;30(2):566-73. doi:10.1111/jvim.13829 Read more