DOGAN, ADNAN, AHMET KAZANKAYA, MEHMET FIKRET BALTA, and FERIT CELIK. 2010. “Nitrate and Nitrite Levels of Some Fruit Species Grown in Van, Turkey”. Asian Journal of Chemistry 20 (2):1191-98. https://asianpubs.org/index.php/ajchem/article/view/12503.