title: A simple and cheap respiration chamber for long-term studies of energy expenditure in human beings.
mesh_terms: D002151:Calorimetry / Q000295:instrumentation*; D002153:Calorimetry, Indirect / Q000295:instrumentation*; D002245:Carbon Dioxide; D004734:Energy Metabolism; D004780:Environment, Controlled; D005260:Female; D006801:Humans; D009584:Nitrogen / Q000652:urine; D010100:Oxygen
chemical_list: D002245:Carbon Dioxide; D009584:Nitrogen; D010100:Oxygen