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Hygiene: Addition to Quarantine Regulations to Be Observed at Ports and on the Frontiers of the United States—Notes on Practical Sanitary Science—Earthclosets and Disease-Germs—The Preservation of Sight in Infancy and Early Life—The Education of the Speaking Voice
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Thacker
1898
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5140912/ https://www.ncbi.nlm.nih.gov/pubmed/29001723 |