Meizarini, A., Puteri, A., Yasan, Y.D.R. and Hussaini, H.M. 2023. Optimization of proteinase K incubation protocol duration during DNA extraction from oral squamous cell carcinoma FFPE samples. Dental Journal. 56, 4 (Sep. 2023), 233–237. DOI:https://doi.org/10.20473/j.djmkg.v56.i4.p233-237.