Baptista, A., Leão, S., Magalhães, P., Mateus, P. and Moreira, I. 2015. Etiology of Moderate-to-Large Pericardial Effusion – A Step-by-Step Approach. Internal Medicine. 22, 2 (Jun. 2015), 67–70. DOI:https://doi.org/10.24950/rspmi.892.