title: Clinical nutrition: introduction.
mesh_terms: D004734:Energy Metabolism; D006801:Humans; D009584:Nitrogen / Q000378:metabolism; D010288:Parenteral Nutrition; D011488:Protein Deficiency / Q000378:metabolism; D011506:Proteins / Q000378:metabolism*; D013217:Starvation / Q000378:metabolism
chemical_list: D011506:Proteins; D009584:Nitrogen