“?NITRATE AND NITRITE CONTENTS IN FOOD OF PLANT ORIGIN IN PAKISTAN ?”, Pakistan Journal of Scientific & Industrial Research, vol. 37, no. 1-2, pp. 47–50, Jan. 1994, Accessed: Mar. 10, 2026. [Online]. Available: https://v2.pjsir.org/index.php/biological-sciences/article/view/2573