Rangelrooij, K. van; Solans-Buxeda, R.; Fernández-García, M. J.; Caycedo-Desprez, N.; Selvam, R. M.; Bulbena, A. Effectiveness of a 4-Week Sophrology Program for Primary Care Patients With Moderate to High Anxiety Levels: A Randomised Controlled Trial. Actas Esp Psiquiatr 2020, 48, 200-208.