Nwankwo, Henry, et al. “Cardiac Anxiety in Adults With Cardiovascular Disease: Prevalence, Predictors, and Implications for Cardiac Rehabilitation — A Systematic Review”. International Journal of Health Supplements, vol. 1, no. Suppl.3, Oct. 2026, pp. 312–313, https://journals.ieditore.com/index.php/IJHS/article/view/728.