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- 7,5/ 40

:

:
" 36,6"
( )

N 9 -

: . ., .46 ( )

: 238-81-37, 299-43-63

8.00-21.00
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: 299-43-63

- 7,5/ 40 " 36,6"

" 36,6" - 7,5/ 40

" 36,6" :
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American Journal of Epidemiology, () , ...

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