Martins Lameiras, C., Fialho, I. ., Mendes Lopes, M. and D´ória, M. do C. (2022) “Papillary Fibroelastoma on the Pulmonary Valve: An Uncommon and Unexpected Diagnosis ”, Internal Medicine. Lisboa, Portugal, 29(4), pp. 283–284. doi: 10.24950/rspmi.634.