DRAGOMIRETSKAYA, Natalia A. et al. PIFA-N Multifactor Model to Predict Adverse Outcomes for Chronic Heart Failure Patients. Journal of Clinical Medicine Research, Toronto, Canada, v. 18, n. 4, p. 261–270, 2026. DOI: 10.14740/jocmr6518. Disponível em: https://jocmr.elmerjournals.com/jocmr/article/view/6518.. Acesso em: 15 apr. 2026.