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STUDIES ON THE COMMON COLD : III. THE UPPER RESPIRATORY FLORA OF INFANTS
1. The upper respiratory tract is sterile at birth. 2. In the first 2 weeks of life the infant acquires a basal flora comparable to that of adults except that the potential pathogens are absent. 3. During the ensuing months the potential pathogens may appear without giving rise to symptoms and by 8...
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| Formato: | Texto |
| Lenguaje: | English |
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The Rockefeller University Press
1930
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2131839/ https://www.ncbi.nlm.nih.gov/pubmed/19869714 |