title: Graphic recording of breathing rate using a simple thermocouple system.
mesh_terms: D001698:Biomedical Engineering; D004562:Electrocardiography / Q000295:instrumentation; D004566:Electrodes; D004582:Electronics, Medical / Q000295:instrumentation*; D006801:Humans; D008722:Methods; D008991:Monitoring, Physiologic / Q000295:instrumentation*; D012119:Respiration; D012124:Respiratory Care Units