Anchanee Utaipatanacheep. (1993) Nitrate in green leafy vegetables and its role on the possible in vivo formation of N-nitroso proline in school children. Mahidol University,:ม.ป.ท.Anchanee Utaipatanacheep. 1993. Nitrate in green leafy vegetables and its role on the possible in vivo formation of N-nitroso proline in school children. ม.ป.ท.:Mahidol University,;Anchanee Utaipatanacheep. Nitrate in green leafy vegetables and its role on the possible in vivo formation of N-nitroso proline in school children. ม.ป.ท.:Mahidol University, 1993. Print.