[Continuing education and specialization the district physician].
D004502:Education, Medical, Continuing / Q000266:history*; D004503:Education, Medical, Graduate / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D012423:Rural Health / Q000266:history*; D012425:Russia (Pre-1917)
Usovershenstvovanie i spetsializatsiia zemskikh vracheĭ.