[Translated article] Pleuropericardial Effusion and Systemic Inflammatory Syndrome Secondary to the Administration of the mRNA-1273 Vaccine for SARS-CoV-2 Ignacio Boira; Anastasiya Torba; Carmen Castelló; Violeta Esteban; Sandra Vañes; Eusebi Chiner;

Síndrome de absceso hepático y bronconeumonía por Klebsiella pneumoniae hipermucoviscosa Carly Celis; Carmen Castelló; Ignacio Boira; Cristina Senent; Violeta Esteban; Eusebi Chiner;

Gray Zone Lymphoma: The Overlap Between Hodgkin's and Non-Hodgkin's Lymphoma Ignacio Boira; Eusebi Chiner; José Antonio Onrubia; Violeta Esteban;