Dimitrov, E.; Valchev, D.; Minkov, G.; Enchev, E.; Yovtchev, Y. Prediction of Poor Outcome Using the Urea to Albumin Ratio in Thoracic Empyema. AML 2024, 31 (1), 86-94. https://doi.org/10.15388/Amed.2024.31.1.21.