Sabirova Azizaxon Dilshodovna et al. 2025. Prognostic Significance Of Endothelin-1 In Patients With Unstable Angina. The American Journal of Medical Sciences and Pharmaceutical Research. 7, 12 (Dec. 2025), 83–86. DOI:https://doi.org/10.37547/tajmspr/Volume07Issue12-12.