Short-term results of unroofing and marsupialization compared to the Karydakis technique in the treatment of pilonidal sinus. A randomized prospective study Pedro Antonio Parra Baños; Nuria Martínez Sanz; Francisco Miguel González Valverde; Jorge Alejandro Benavides Buleje; Miguel Ruiz Marín; Emilio Peña Ros; Carmen Martínez Sanz; Mari Fe Candel Arenas;

Response to ¿National survey on the treatment of cholecystectomy in Spain during the initial period of the COVID-19 pandemic¿ Pedro López Morales; Miguel Ruiz Marín; Clara Giménez Francés; Antonio Albarracín Marín-Blázquez;

Response to «National survey on the treatment of acute appendicitis in Spain during the initial period of the COVID-19 pandemic» Clara Giménez Francés; Miguel Ruiz Marín; Pedro López Morales; Antonio Albarracín Marín-Blázquez;