Soviet-American experiment on implantation of artificial heart in Moscow

March 11-12, 1976. USSR. Moscow. Nurse Elena Bogdanova during a demonstration of models of artificial hearts made in the USSR and the USA for a joint Soviet-American experiment on their implantation at the Institute of Organ and Tissue Transplantation of the USSR Academy of Medical Sciences. The exact date of the photo is unknown. Petr Nosov, Albert Pushkarev/TASS