Vazquez-Zapien, G. J.; Mata-Miranda, M. M.; Martinez-Cuazitl, A.; Guerrero-Ruiz, M.; Garibay-Gonzalez, F.; Sanchez-Brito, M. Detection of People Positive to COVID-19 through ATR-FTIR Spectra Analysis of Saliva Using Machine Learning. Rev Mex Ing Biom 2022, 43, 44-59.