[N. K. Adrianov, the 1st Chuvash physician].
D005006:Ethnicity / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D012423:Rural Health / Q000266:history; D012425:Russia (Pre-1917)
N. K. Adrianov--pervyĭ vrach-chuvash.