Development and validation of a questionnaire to measure COVID-19 vaccine hesitancy within the Romanian industrial laborers - Turcu-Stiolica, Adina; Boicea, Ancuta Ramona; Nechita, Florina; Surugiu, Roxana; Dumitra, Gheorghe Gindrovel; Oancea, Carmen Nicoleta; Pîrlog, Mihail Cristian (Frontiers in Public Health, 2025)