“Attenuated Total Reflectance-Fourier Transform I Nfrared (ATR-FTIR) Spectroscopy Coupled With Principal Component Analysis and Polymerase Chain Reaction (PCR) Assay for the Detection of Porcine and Bovine Gelatins in Dental Materials”. Tropical Life Sciences Research 33, no. 2 (July 15, 2022): 133–153. Accessed July 3, 2024. https://ejournal.usm.my/tlsr/article/view/tlsr_vol33-no-2-2022_7.