title: Pulse oximeters and poor perfusion.
authors.forename: C D
authors.initials: CD
authors.lastname: Hanning
authors.forename: J A
authors.initials: JA
authors.lastname: Langton
mesh_terms: D001775:Blood Circulation / Q000502:physiology; D006801:Humans; D000860:Hypoxia / Q000175:diagnosis; D010092:Oximetry / Q000295:instrumentation*