Long-term results of laser therapy in patients with bronchial asthma and chronic obstructive bronchitis - PDF (Russian)
© 1986 Maksimov N.I.
![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.