Introduction In recent years, the Revista Portuguesa de Cardiologia (RPC) and the Arquivos Brasileiros de Cardiologia (ABC Cardiol) have gotten together annually to elaborate a list of the most relevant papers published in both journals, , highlighting some of the best scientific articles in Portuguese. Based on the success of that initiative, the editors of both journals have decided to cooperate once again to elaborate the ‘Top 10’ list of 2020 of each journal. The year 2020 was marked by […]