Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector8325210.17816/kazmj83252Research ArticleComparative assessment of the coloration of tubercle bacilli in the flotation layer of pleural exudate according to Ziehl-Nielsen and OzolStaroselskayaK. B.info@eco-vector.comGritsevskayaE. V.info@eco-vector.comSlepovaR. I.info@eco-vector.com1502196243176771610202116102021Copyright © 2021, Eco-Vector2021<p>For the clinician, the detection of tuberculous bacteria in the pleural exudate is of great importance.</p>Kazan Medical archiveКазанский медицинский архив