For citations:
Petrukhin N.N., Loginova N.N., Grebenkov S.V., Andreenko O.N. Prevalence of extra pulmonary tuberculosis among medical workers. Russian Journal of Occupational Health and Industrial Ecology. 2018;(5):4-7. (In Russ.) https://doi.org/10.31089/1026-9428-2018-5-4-7