Open AccessChronicle. Volume 29, No. 10 (1933)
Publication year - 2022
Publication title -
kazan medical journal
Language(s) - English
Resource type - Journals
eISSN - 2587-9359
pISSN - 0368-4814
DOI - 10.17816/kazmj90175
Subject(s) - league , section (typography) , vaccination , political science , league table , plan (archaeology) , diphtheria , geography , economic history , demography , history , medicine , sociology , economics , business , archaeology , virology , physics , astronomy , classical economics , advertising
For the purpose of a comparative study of the effectiveness of diphtheria vaccinations, at the initiative of the hygiene section of the League of Nations, in 1929-1931. in a number of countries (Germany, England, Denmark, France, Hungary, Holland, Poland, Romania and Czechoslovakia), parallel experiments of vaccination of children were organized according to a single plan.
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