W. Somboonsilp, W. Papanrueng, S. Thirapattarapan, and N. Srisawat, “A Comparison of 30-Day Survival Rate Between Hemoperfusion and Non Hemoperfusion Group in Severe COVID-19 Pneumonia Patients”, J Health Sci Thai, vol. 32, no. Supplement 1, pp. S182-S194, Aug. 2023.