title: [Intake of nitrate, nitrite and total ascorbic acid in adults in Changsha].
mesh_terms: D001205:Ascorbic Acid / Q000032:analysis*; D002681:China; D004034:Diet Surveys; D004435:Eating; D005260:Female; D005504:Food Analysis; D006801:Humans; D008297:Male; D008461:Meat Products / Q000032:analysis; D009566:Nitrates / Q000032:analysis*; D009573:Nitrites / Q000032:analysis*; D014675:Vegetables / Q000032:analysis
chemical_list: D009566:Nitrates; D009573:Nitrites; D001205:Ascorbic Acid