Prevention of scoliosis and posture defects in schoolchildren - PDF (Russian)
© 1980 Myasnikov S.P., Haletova S.S., Sergeev V.S.
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.