[Zemstro physicians of the Pskov province and the control of infectious diseases].
D003140:Communicable Disease Control / Q000266:history*; D004196:Disease Outbreaks; D049672:History, 19th Century; D012425:Russia (Pre-1917); D012499:Sanitation / Q000266:history
Zemskie vrachi pskovskoi gubernii v bor'be s infektsionnymi bolezniami.