title: A simple, easy, and inexpensive method for monitoring ETCO2 through nasal cannulae.
authors: J M
authors: JM
authors: Goldman
mesh_terms: D002404:Catheterization / Q000295:instrumentation*; D006801:Humans; D008991:Monitoring, Physiologic / Q000295:instrumentation / Q000379:methods*; D009666:Nose; D012119:Respiration