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" ... a considerably greater degree than would be accounted for by the reduced prevalence of typhoid fever and other recognized typical water-borne diseases. A study of the vital statistics of numerous places where the quality of the public water supply... "
Studies in Water Supply - Page 126
by Alexander Cruikshank Houston - 1913 - 203 pages
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Pacific Municipalities, Volume 25, Issues 4-5

1911 - 128 pages
...Reincke (1893), Hazen (1904), Sedgwick (1910), *Prof. of Sanitary engineering, University of California, and others have shown that when a pure water supply...the general death rate therein is generally reduced to a considerably greater degree than would be accounted for by the reduced prevalence of typhoid fever...
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The Cambridge History of China: Introduction

Denis Crispin Twitchett, John King Fairbank - China - 1912 - 658 pages
...is a peculiarly sensitive and reliable index of the quality of the water supplies. The Hazen Theorem Messrs. Mills (1893), Reincke (1893), Hazen (1904),...reduced in a considerably greater degree than would be accounted for by reduced prevalence of typhoid fever and other recognized typical water-borne diseases....
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Chloride of lime in sanitation

Albert Huntington Hooker - 1913 - 248 pages
...University of California brings this out admirably.176 He speaks of the so-called Hazen Theorem as follows: "Messrs. Mills (1893), Reincke (1893), Hazen (1904),...reduced in a considerably greater degree than would be accounted for by the reduced prevalence of Typhoid Fever and other recognized typical water-borne diseases....
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Pacific Municipalities, Volumes 23-25

Municipal government - 1917 - 886 pages
...Reincke (1893), Hazen (1904), Sedgwick (1910), *Prof. of Sanitary engineering, University of California, and others have shown that when a pure water supply...the general death rate therein is generally reduced to a considerably greater degree than would be accounted for by the reduced prevalence of typhoid fever...
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