N. A. Semashko - organizer of Soviet health care - PDF (Russian)
© 1974 Vahitov M.H., Sharafutdinova R.M.
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.