| 607 / | HD | SURGERY: LIGHT, THERMAL, AND ELECTRICAL APPLICATION | 
| 1 | DF | LIGHT, THERMAL, AND ELECTRICAL APPLICATION {8} | 
| 2 | DF | .~ Electrical therapeutic systems {28} | 
| 66 |  | .~.~ Generating more than one signal {1} | 
| 67 | DF | .~.~.~> Applied for interferential effect in body |