Roentgen ray therapy and X-ray therapy

X-ray therapy and roentgen ray therapy are semantically related. In some cases you can replace phrase "X-ray therapy" with "Roentgen ray therapy", this phrases are similar.

X-ray therapy noun - The therapeutic use of X rays.

Roentgen ray therapy and X-ray therapy are semantically related. Sometimes you can replace phrase "Roentgen ray therapy" with "X-ray therapy", this phrases are similar.