title: A simple breathing mask for dogs.
mesh_terms: D000818:Animals; D002245:Carbon Dioxide / Q000378:metabolism; D004285:Dogs; D005069:Evaluation Studies as Topic; D008397:Masks; D010101:Oxygen Consumption; D005082:Physical Exertion; D012129:Respiratory Function Tests / Q000295:instrumentation*
chemical_list: D002245:Carbon Dioxide