Medical care in Tsarist Russia.
D002771:Cholera / Q000266:history; D006296:Health Services / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D009026:Mortality; D012425:Russia (Pre-1917)