In the fall of 1914, after the beginning of the First World War, Yudin was called into the army as a junior doctor.
After returning from the United States, in 1928, Yudin was invited to become chairman of the surgical department at the Institute of Emergency Aid named after N.V. Sklifosovskiy in Moscow.
[2] Yudin also pioneered the transfusion of cadaveric blood and performed this successfully for the first time on March 23, 1930.
His name disappeared from medical journals, articles he had submitted were not published, and his publications were removed from the libraries.
Only after Joseph Stalin’s death in March 1953, Yudin was able to return to Moscow and recommence his work.