L[Soviet trade unions in the realization of Lenin's plan of organization of health resort therapy and rest of workers].
D006294:Health Resorts / Q000266:history; D049673:History, 20th Century; D007750:Labor Unions / Q000266:history; D009787:Occupational Medicine / Q000266:history; D012146:Rest; D014586:USSR
Sovetskie profsoiuzy v osushchestvlenii leninskogo plana organizatsii kurortnogo lecheniia i otdykha trudiashchikhsia.