Email this article 
Сomplex assessment of the degree of chronic obstructive pulmonary disease copd severity on out-patient visit - PDF (Russian)
Copyright (c) 2019 Nizov A.A., Ermachkova A.N., Abrosimov V.N., Ponomareva I.B.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Media Registry Entry of the Federal Service for Supervision of Communications, Information Technology and Mass Communications (Roskomnadzor) PI No. FS77-76803 dated September 24, 2019.