Lapian, J., Tangkilisan, A., Sukanto, W., Tamburian, C. and Langi, F. G. (2022) “Prospective Study on Determination of Optimal Drainage Volume in Massive Pleural Effusion Based on Pleural Effusion Index”, e-CliniC, 10(2), pp. 372–378. doi: 10.35790/ecl.v10i2.41495.