[N. A. Semashko and children. To the 50th anniversary of the Soviet regime].
D002654:Child Care / Q000266:history*; D049673:History, 20th Century; D008429:Maternal Welfare / Q000266:history*; D011635:Public Health Administration / Q000266:history*; D014586:USSR
N. A. Semashko i deti. (K 50-letiiu sovietskoi vlasti)