title: Comparison of urea and diammonium citrate as sources of nonspecific nigrogen for human adults.
mesh_terms: D000328:Adult; D000596:Amino Acids / Q000032:analysis; D002951:Citrates / Q000378:metabolism*; D005069:Evaluation Studies as Topic; D005243:Feces / Q000032:analysis; D005260:Female; D005504:Food Analysis; D005998:Glycine / Q000378:metabolism; D006801:Humans; D008297:Male; D009584:Nitrogen / Q000032:analysis / Q000378:metabolism* / Q000652:urine; D009747:Nutritional Physiological Phenomena; D000644:Quaternary Ammonium Compounds / Q000378:metabolism*; D012737:Sex Factors; D014508:Urea / Q000378:metabolism*
chemical_list: D000596:Amino Acids; D002951:Citrates; D000644:Quaternary Ammonium Compounds; D014508:Urea; D009584:Nitrogen; D005998:Glycine