Levy F. A, Luna CF, Flamini R. Diagnosis and management of parapneumonic effusions and empyema in children. Hospital Universitario del Valle, Cali, Colombia. Colomb Med [Internet]. 1988 Sep. 30 [cited 2024 Aug. 24];19(3):102-9. Available from: https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/6219