title: The p-n-p transistor used exponentially to linearize the voltage output of the P CO2  physiological electrode.
mesh_terms: D002245:Carbon Dioxide / Q000032:analysis* / Q000097:blood; D004566:Electrodes / Q000295:instrumentation*; D008433:Mathematics; D008722:Methods; D010313:Partial Pressure
chemical_list: D002245:Carbon Dioxide