Talk:Orthovoltage X-rays

Orthovoltage: kV not keV

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Strictly speaking KeV is the correct unit. However, in radiation oncology, kV and mV are conventionally used in order to distinguish photons from electrons, which are described in units of MeV. Jellytussle 00:04, 16 February 2006 (UTC)

Etymology

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Does anyone know the origin of the term "Orthovoltage"?