[The sanitary status of industrial enterprises of Vologda Province at the beginning of the 20th century].
D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history*; D012425:Russia (Pre-1917)
Sanitarnoe sostoianie promyshlennykh predpriiatiĭ Vologodskoĭ gubernii v nachale XX veka.