Antony, B., M. Benny, B. T. Kuruvilla, and N. K. Gupta. “A VALIDATED ULTRA-PERFORMANCE LIQUID CHROMATOGRAPHY METHOD FOR NITRATE AND NITRITE MEASUREMENT”. Asian Journal of Pharmaceutical and Clinical Research, vol. 11, no. 9, Sept. 2018, pp. 257-63, doi:10.22159/ajpcr.2018.v11i9.26519.