600 / | HD | SURGERY |
300 | DF | DIAGNOSTIC TESTING {38} |
529 | DF | .~ Respiratory {8} |
534 | .~.~ Detecting body movement attending breathing {2} | |
535 | DF | .~.~.~> Capacitor-type transducer |
536 | DF | .~.~.~> Detector responsive to movement induced variation in impedance of body to electric current |