ALNAZ, A. R. M.; NASUTION, A. H.; ABDILLAH, A. H. Matrix Metalloproteinase (MMP) as Biomarker of Perforation in Acute Appencitis. JIMKI: Jurnal Ilmiah Mahasiswa Kedokteran Indonesia, v. 8, n. 2, p. 117–127, 22 Aug.2020.