[The work of N. A. Khrzhonshchevskii in the field of enlightnment in sanitation].
D004396:Coloring Agents; D006801:Humans; D011634:Public Health; D012499:Sanitation; D014937:Work
D004396:Coloring Agents
PUBLIC HEALTH
Deiatel'nost' N. A. Khrzhonshchevskogo v oblasti sanitarnogo prosveshcheniia.