“ The Five-Point Likert Scale for Dyspnea Can Properly Assess the Degree of Pulmonary Congestion and Predict Adverse Events in Heart Failure Outpatients ”. Clinics 69, no. 5 (January 1, 2014): 341–346. Accessed May 29, 2024. https://www.revistas.usp.br/clinics/article/view/83741.