[Role of G. V. Khlopin in the organization of the scientific Research Sanitary-Hygiene Institute in Leningrad].
D000047:Academies and Institutes; D004493:Education; D049672:History, 19th Century; D049673:History, 20th Century; D006920:Hygiene / Q000193:education*; D012499:Sanitation / Q000193:education*
HYGIENE/education; SANITATION/education
O roli G. V. Khlopina v organizatsii nauchno-issledovatel'skogo sanitarno-gigienicheskogo instituta v Leningrade.