600 / | HD | SURGERY |
300 | DF | DIAGNOSTIC TESTING {38} |
372 | DF | .~ Structure of body-contacting electrode or electrode inserted in body {6} |
373 | .~.~ Electrode placed in body {7} | |
374 | DF | .~.~.~> Electrode placed in or on heart {1} |
376 | DF | .~.~.~> Fetal monitoring |
377 | DF | .~.~.~> Electrode implanted in body |
378 | DF | .~.~.~> Electrode in brain |
379 | DF | .~.~.~> Electrode in ear |
380 | DF | .~.~.~> Electrode in esophagus or pharynx |
381 | DF | .~.~.~> Electrode in artery or blood vessel |