For citations:
Kaprin A.D., Mardinskiy Yu.S., Smirnov V.P., Ivanov S.A., Kostin A.A., Polikhov S.A., Reshetov I.V., Fatianova A.S., Denisenko M.V., Epatova T.V., Korenev S.V., Tereshchenko A.V., Filonenko E.V., Gafarov M.M., Romanko Yu.S. The history of radiation therapy (part I). Biomedical Photonics. 2019;8(1):52-62. https://doi.org/10.24931/2413-9432-2019-8-1-52-62