A. Christanto, S. Djajalaksana, and I. . Noor Chozin, “The Role of N-Acetylcysteine as Adjuvant Therapy on TGF-β and II-6-Mediated Immune Response and Subsequent Fibrosis in Covid-19 Patients Predicted by Crp and D-Dimer Levels”, International Journal Of Medical Science And Clinical Research Studies, vol. 3, no. 07, pp. 1358–1365, Jul. 2023.