[The work of the 1st sanitation physicians in Nizhniĭ Novgorod].
D049672:History, 19th Century; D049673:History, 20th Century; D011634:Public Health / Q000266:history*; D012425:Russia (Pre-1917); D012498:Sanitary Engineering / Q000266:history; D000078329:Workforce
Deiatel'nost' pervykh sanitarnykh vracheĭ Nizhnego Novgoroda.