The occupational diseases of the ear are nosologicunits that develop as a consequence of long-term, and in some cases, of acute impact of factors from the working environment that are over the accepted sanitary-hygienic levels.
The occupational diseases of the ear are nosologicunits that develop as a consequence of long-term, and in some cases, of acute impact of factors from the working environment that are over the accepted sanitary-hygienic levels.
Ще отговоря на всички въпроси, свързани с моята дейност.