Queirós, C., Francisco, E. and Almeida, J. 2017. Platypnea-Orthodeoxia Syndrome After Complicated Cholecystectomy: An Unsuspected Diagnosis. Acta Médica Portuguesa. 30, 11 (Nov. 2017), 827–830. DOI:https://doi.org/10.20344/amp.8700.