From the pages of the "magazine of Czech doctors" for 1957 (Casopis Lekaru Ceskych, No. 1-52) - PDF (Russian)
© 1958 Board E.
This work is licensed
under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
This work is licensed
under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.