Dragomiretskaya, N. A., Tolmacheva, A. V., Tarzimanova, A. I., Pokrovskaya, A. E., Vargina, T. S., Safronova, T. A., Medvedev, I. D., Abramova, A. A., Vanina, D. D., & Podzolkov, V. I. (2026). PIFA-N Multifactor Model to Predict Adverse Outcomes for Chronic Heart Failure Patients. Journal of Clinical Medicine Research, 18(4), 261-270. https://doi.org/10.14740/jocmr6518