New and old in operative obstetrics. Döderlein (Dent. Med. Woch., 1925, no. 36) - PDF (Russian)
© 1970 Timofeev A.
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.