Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector4857010.17816/kazmj48570Research ArticleProtocol of the meeting of the society of doctors at the Imperial Kazan University April 21, 191111071911117-102610202026102020Copyright © 2020, Team E.2020<p>Chaired by Prof. F. Ya. Chistovich under the secretary of Dr. A. V. Gavorskom.</p>Kazan Medical archiveКазанский медицинский архив