Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector6176310.17816/kazmj61763Research ArticleProfessor Ivan Vasilievich Danilov3005197253391922402202124022021Copyright © 1972, Staff a.s.1972<p>2 / II 1972, a member of the CPSU since 1938, Honored Scientist of the TASSR, Doctor of Medical Sciences, Professor IV Danilov, died suddenly.</p>Kazan Medical archiveКазанский медицинский архив