Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector4698810.17816/kazmj46988MiscellaneousG. D. Belonovsky. About the influence of injections of different doses of hemolytic serum on the numerical composition of blood elements. SPb., 1902, ThesisVinogradovL.info@eco-vector.com1001190331-2242515102020Copyright © 2020, Vinogradov L.2020<p>Mechnikov was the first to express the idea of using cytotoxics in practical medicine, and he (together with Bezrѣdka) also owes the honor of the first research in this direction.</p>Kazan Medical archiveКазанский медицинский архив