[N. A. Shadrin, an activist in public veterinary medicine].
D049672:History, 19th Century; D049673:History, 20th Century; D012425:Russia (Pre-1917); D014586:USSR; D014730:Veterinary Medicine / Q000266:history
N. A. Shadrin--aktivnyĭ deiatel' obshchestvennoĭ veterinarii