Columbia subject headings:
Harvard subject headings:
Experiential research--Soviet Union.
Medicine, Experimental--Soviet Union.
Medicine, Experimental.
Physiology, Experimental--Soviet Union.
Rejuvenation.
Soviet Union--History--1917-1936.
Youthfulness.
Princeton subject headings:
Experiential research--Soviet Union.
Medicine, Experimental--Soviet Union.
Physiology, Experimental--Soviet Union.
Rejuvenation.
Soviet Union--History--1917-1936.
Youthfulness.