id	keyword
bracis-28378	raman
bracis-28378	covid-19
bracis-28378	spectroscopy
bracis-28378	detection
bracis-28378	google
bracis-28378	cnn
bracis-28378	scholar
bracis-28378	samples
bracis-28378	layer
bracis-28378	analysis
bracis-28378	spectra
bracis-28378	learning
bracis-28378	article
bracis-28378	techniques