Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector5042310.17816/kazmj50423MiscellaneousOutpatient practiceMastbaumM. I.info@eco-vector.com110819363289899901811202018112020Copyright © 2020, Mastbaum M.I.2020<p>Prof. L., 62 years old, fell ill in early July 1935</p>Kazan Medical archiveКазанский медицинский архив