title: Nitrogen challenge: are we any closer to achieving a balance?
authors.forename: Bart L
authors.initials: BL
authors.lastname: De Keulenaer
authors.forename: Ian
authors.initials: I
authors.lastname: Jenkins
mesh_terms: D003422:Critical Care / Q000379:methods*; D006801:Humans; D009584:Nitrogen / Q000032:analysis* / Q000378:metabolism; D015596:Nutrition Assessment; D009751:Nutritional Requirements; D018529:Nutritional Support / Q000379:methods; D011506:Proteins / Q000032:analysis / Q000378:metabolism; D012680:Sensitivity and Specificity
chemical_list: D011506:Proteins; D009584:Nitrogen