Transactions of the Seventh International Congress of Hygiene and Demography. Volume IX
Transactions of the Seventh International Congress of Hygiene and Demography. Volume IX
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London, August 10th - 17th, 1891. Section IX: State Hygiene
author
datePublished
1892-01-01
identifier
ngOl5i46yQVAzZbL4O6maA5y
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name
Transactions of the Seventh International Congress of Hygiene and Demography. Volume IX