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" In ordinary quiet respiration, no bacteria, epithelial scales, or particles of dead tissue are contained in the expired air. In the act of coughing or sneezing, such organisms or particles may probably be thrown out. "
Air and Health - Page 129
by Ronald Campbell Macfie - 1909 - 345 pages
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Science

John Michels - Science - 1895
...probably unnecessary to take this factor into account in providing for the ventilation of such rooms. 2. In ordinary quiet respiration no bacteria, epithelial...organisms or particles may probably be thrown out. 3. The minute quantity of ammonia, or of combined nitrogen or other oxidizable matters found in the...
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The Medical Times and Register, Volumes 29-30

Medicine - 1895
...probably unnecessary to take this factor into account in providing for the ventilation of such rooms. 2. In ordinary quiet respiration no bacteria, epithelial...organisms or particles may probably be thrown out. 3. The minute quantity of ammonia, or of combined nitrogen or other oxidizable matters found in the...
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Science

John Michels - Science - 1895
...probably unnecessary to take this factor into account in providing for the ventilation of such rooms. 2. In ordinary quiet respiration no bacteria, epithelial...organisms or particles may probably be thrown out. 3. The minute quantity of ammonia, or of combined nitrogen or other oxidizable matters found in the...
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Medical Review, Volume 32

Medicine - 1895
...probably unnecessary to take that factor into account in providing for the ventilation of such rooms. 2. In ordinary quiet respiration no bacteria, epithelial...scales, or particles of dead tissue are contained ID the expired air. In the act of coughing or sneezing, such organisms or particles may probably be...
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The American Journal of Science, Volumes 151-152

Science - 1896
...take this factor into account in providing for the ventilation of such rooms. II. In ordinary qniet respiration, no bacteria, epithelial scales, or particles...quantity of ammonia, or of combined nitrogen, or other oxidizable matters found in the condensed moisture of human breath, appears to be largely due to products...
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Annual Report

Science - 1896
...probably unnecessary to take this factor into account in providing for the ventilation of such rooms. 2. In ordinary, quiet respiration, no bacteria, epithelial...organisms or particles may probably be thrown out. 3. The minute quantity of ammonia, or of combined nitrogen, or other oxidizable matters, found in the...
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Medical News, Volume 68

Medicine - 1896
...into account in providing for the ventilation of such rooms. The experiments showed, secondly, that in ordinary quiet respiration no bacteria, epithelial...of dead tissue, are contained in the expired air. But in the act of coughing, or sneezing, such organisms or particles may probably be thrown out. Thirdly,...
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Appletons' Popular Science Monthly, Volume 48

William Jay Youmans - Science - 1896
...deleterious influence upon men who inhale it in ordinary rooms. In ordinary quiet respiration no bacteria are contained in the expired air. In the act of coughing or sneezing such organisms may be thrown out. The minute quantity of ammonia, or of combined nitrogen, or other oxidizable matters...
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Bacteria: Especially as They are Related to the Economy of Nature, to ...

Sir George Newman - Bacteria - 1899 - 351 pages
...of expired air, it is concluded that " in ordinary quiet respiration no bacteria, epithelial scabs, or particles of dead tissue are contained in the expired...organisms or particles may probably be thrown out." The interior of the cavity of the mouth and external respiratory tract is a moist perimeter, from the...
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Bacteriology and the Public Health

Sir George Newman - Bacteriology - 1904 - 497 pages
...the liquid itself. it is concluded that "in ordinary quiet respiration no bacteria epithelial scabs or particles of dead tissue are contained in the expired...organisms or particles may probably be thrown out." The mucous membrane lining the cavity of the mouth and respiratory tract is a moist perimeter, from...
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