Joint meeting of the Societies of Physicians and Surgeons of the ATSSR 15 / I 1937 - PDF (Russian)
© 1937 Sokolov N.V.
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.