title: A method for determination of carbon dioxide specific radioactivity and concentration in blood, rumen fluid, and expired air.
mesh_terms: D000818:Animals; D002245:Carbon Dioxide / Q000032:analysis* / Q000097:blood; D002250:Carbon Radioisotopes; D004058:Diffusion; D007202:Indicators and Reagents; D008722:Methods; D010313:Partial Pressure; D012119:Respiration; D012417:Rumen / Q000032:analysis*
chemical_list: D002250:Carbon Radioisotopes; D007202:Indicators and Reagents; D002245:Carbon Dioxide