Evan E. Bolton, Yanli Wang, Paul A. Thiessen, Stephen H. Bryant (2008). „Chapter 12 PubChem: Integrated Platform of Small Molecules and Biological Activities”. Annual Reports in Computational Chemistry4: 217-241. DOI:10.1016/S1574-1400(08)00012-1.
Barst RJ, Langleben D, Frost A et al. (2004). „Sitaxsentan therapy for pulmonary arterial hypertension”. American Journal of Respiratory Critical Care Medicine169 (4): 441–447. DOI:10.1164/rccm.200307-957OC.