Ferreres-Galán, Vanesa Navarro-Haro, María Vicenta Peris-Baquero, Óscar Guillén-Marín, Silvia Luna-Hermoso, Jordi de Osma, Jorge Assessment of Acceptability and Initial Effectiveness of a Unified Protocol Prevention Program to Train Emotional Regulation Skills in Female Nursing Professionals during the COVID-19 Pandemic Int. j. environ. res. public health 10.3390/ijerph19095715 2022 2022