The protein gap.
D000367:Age Factors; D004044:Dietary Proteins / Q000378:metabolism; D004734:Energy Metabolism; D006801:Humans; D007239:Infections / Q000378:metabolism; D007732:Kwashiorkor / Q000453:epidemiology / Q000209:etiology; D011502:Protein-Energy Malnutrition / Q000209:etiology
D004044:Dietary Proteins