title: Urinary urea nitrogen-creatinine ratio as indicator of recent protein intake in field studies.
mesh_terms: D000293:Adolescent; D000328:Adult; D000349:Africa; D000596:Amino Acids / Q000097:blood; D001208:Asia; D002648:Child; D002664:Child Nutritional Physiological Phenomena; D002675:Child, Preschool; D003404:Creatinine / Q000652:urine*; D004044:Dietary Proteins; D004231:Diuresis; D005006:Ethnicity; D005060:Europe; D005069:Evaluation Studies as Topic; D006801:Humans; D007223:Infant; D009584:Nitrogen / Q000652:urine; D009749:Nutrition Surveys; D013431:Sulfates / Q000652:urine; D013455:Sulfur / Q000652:urine; D013997:Time Factors; D014508:Urea / Q000652:urine*
chemical_list: D000596:Amino Acids; D004044:Dietary Proteins; D013431:Sulfates; D013455:Sulfur; D014508:Urea; D003404:Creatinine; D009584:Nitrogen