Recommendations for acting in elective and urgent thoracic surgery during SARS-CoV-2 pandemic. Spanish Society of Thoracic Surgery José R. Jarabo; Néstor Martínez; Alberto Cabañero; Sergi Call; José L. Campo-Cañaveral; Ángel Cilleruelo; Usue Caballero; Andrés Obeso; José L. Recuero; Sebastián Sevilla; Florentino Hernando;

Evolutionary analysis of patient¿s morbidity and mortality in emergency surgical care during the pandemic: Retrospective comparison between first and second waves of COVID-19 Carlos Bustamante Recuenco; Esther María Cano Pecharromán; Gloria María Mendoza Esparrell; Mahur Esmailli Ramos; Javier Broekhuizen Benítez; Leticia Martín Paniagua; Teresa Calderón Duque; Tomás Balsa Marín;

Pre-operative prevalence of asymptomatic carriers of COVID-19 in hospitals in Catalonia during the first wave after the resumption of surgical activity Marcos de Miguel Negro; Anna González Tallada; Miriam de Nadal; Alfons Biarnes Suñé; Susana Manrique Muñoz; Magda Campins Martí; Astrid Álvarez Pérez; Jordi Castellnou Ferré; Ana Pedregosa Sanz; Gal.la Rouras Hurtado; Javier Martínez Cabañero; Esteban Osorio Salazar; Antonio Montero Matamala; Judit Saludes; Alessandra Verónica Binagui Buitureira; Carla Farré Tebar; Maria Laura Baumgartner Lucero; Montserrat Cadena Serramitja; Marta Lacambra Basil; Ana Faura; Néstor Fabián Ibáñez Trujillo; Rocío Delgado García; Francisco Javier Santiveri Papiol; Fernando Escolano Villén; Ana Tejedor Navarro; Carme Deiros García; Fernando Remartínez Fernández; Javier Tobito Ramírez; María Lluisa Moret Ferrón; Óscar Salmerón Zafra; Xènia Isern Domingo; Naiara Villalba Blanco;