title: Letter: Units of energy in nutrition.
mesh_terms: D000818:Animals; D001939:Bread; D002151:Calorimetry / Q000379:methods*; D002417:Cattle; D004032:Diet; D004040:Dietary Carbohydrates; D004041:Dietary Fats; D004044:Dietary Proteins; D004734:Energy Metabolism; D006801:Humans; D008460:Meat; D008892:Milk; D009747:Nutritional Physiological Phenomena; D005082:Physical Exertion; D012146:Rest; D009626:Terminology as Topic; D014894:Weights and Measures
chemical_list: D004040:Dietary Carbohydrates; D004041:Dietary Fats; D004044:Dietary Proteins