SARS-CoV-2 surveillance strategy in essential workers of the Madrid City Council during the first epidemic wave in Spain, March–July 2020
Mercedes Martínez-Cortés, Carmen Maria León-Dominguez, Jovita Fernandez-Pinero, Mercedes Rodriguez, Mercedes Almonacid, Maria José Ferrari, Rosario Romero, Alfonso Antona, M. Dolores Rivas, Miguel de La Fuente, Beatriz Pérez-Gómez, Marina Pollán
Occupational and Environmental Medicine May 2022, 79 (5) 295-303; DOI: 10.1136/oemed-2021-107654