[Russian veterinary medicine and establishment of the veterinary service in Bulgaria].
D002031:Bulgaria; D049672:History, 19th Century; D049673:History, 20th Century; D007391:International Cooperation; D012425:Russia (Pre-1917); D014586:USSR; D014730:Veterinary Medicine / Q000266:history*
Russkaia veterinariia i sozdanie veterinarnogo dela v Bolgarii.