title: Periodontal soft tissue respiration.
mesh_terms: D000328:Adult; D000368:Aged; D002250:Carbon Radioisotopes; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010101:Oxygen Consumption; D010512:Periodontal Index; D010519:Periodontium / Q000378:metabolism*; D013997:Time Factors
chemical_list: D002250:Carbon Radioisotopes