title: [An automatic sampling method of 14CO2 in the expired air (author's transl)].
mesh_terms: D000388:Air / Q000032:analysis; D000818:Animals; D002245:Carbon Dioxide / Q000032:analysis*; D002250:Carbon Radioisotopes; D008722:Methods; D051381:Rats; D012119:Respiration; D012588:Scintillation Counting
chemical_list: D002250:Carbon Radioisotopes; D002245:Carbon Dioxide