Second victim syndrome among nursing professionals as a result of COVID-19: qualitative research. - Corral-Liria, Inmaculada; Losa-Iglesias, Marta; Becerro-De-Bengoa-Vallejo, Ricardo; Herraiz-Soria, Elena; Calvo-Lobo, César; San-Antolín-Gil, Marta; González-Martín, Sara; Jimenez-Fernández, Raquel (BMC Nursing, 2025)