فهرس المقالات Leafy vegetables حرية الوصول المقاله صفحة الملخص نص كامل 1 - Evaluation of Nitrate and Nitrite Levels in Leafy Vegetables to Assess the Potential Health Risks in Tehran, Iran Sadra Sheykhi Oskouei Najmeh Youseftabar Miri Maryam Taghdir Mohammad Nejatian Mojtaba Sepandi Sepideh Abbbaszadeh 10.60829/jchr.2024.1897