Author Details
Propper-Grashchenkov, N.
Issue | Section | Title | File |
Vol 34, No 10 (1938) | Articles | Socialist health care, social and professional hygiene, occupational pathology |
(Rus) |
Issue | Section | Title | File |
Vol 34, No 10 (1938) | Articles | Socialist health care, social and professional hygiene, occupational pathology |
(Rus) |