S. F. Deryuzhinskiy. On postoperative pneumonia. Surgery, 1903, Vol. 74 - PDF (Russian)
© 2020 Ovchinnikov P.
![Creative Commons License](https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png)
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.