N. V. Sletov and P. I. Postnikova. Electrolysis in rubella oesophageal adhesion. Physician, 1901, No. 1 - PDF (Russian)
© 2020 Uskov L.
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.