Suprapto, D. U., A. Tangkilisan, W. Sukanto, C. Tamburian, and F. G. Langi. “Effects of Drainage Volume on Changes of Blood Acidity, and Partial Arterial Pressure of Oxygen and Carbon Dioxide in Massive Pleural Efusion”. E-CliniC, vol. 10, no. 2, Aug. 2022, pp. 330-7, doi:10.35790/ecl.v10i2.41492.