title: [The relationship between the nature of the tongue proper and blood gases in aged persons over 90].
mesh_terms: D000368:Aged; D002245:Carbon Dioxide / Q000097:blood; D005260:Female; D006801:Humans; D008136:Longevity; D008297:Male; D008516:Medicine, Chinese Traditional; D008518:Medicine, East Asian Traditional; D010100:Oxygen / Q000097:blood; D014059:Tongue / Q000033:anatomy & histology*
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen