Effectiveness of relaxation techniques for stress management and quality of life improvement in cardiovascular disease and hypertensive patients: a systematic review. - Calderone, Andrea; Marafioti, Giulia; Latella, Desirèe; Corallo, Francesco; D'Aleo, Piercataldo; Quartarone, Angelo; Calabrò, Rocco Salvatore (Psychology, Health & Medicine, 2025)