Author Details
Проппер-Гращенков, Н.
| 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) | 
 
					 
						