The Columbia Encyclopedia, Sixth Edition. 2001-07.
Pettenkofer, Max von
(mäks fn pt´nk´´fr) (KEY) , 1818–1901, German chemist and hygienist. He studied medicine at Munich. Pettenkofer is considered a founder of epidemiology and is known for his researches in the ventilation of dwellings, sewage disposal, and the spread of cholera. He developed a reaction for the detection of bile acids and a method for the quantitative determination of carbon dioxide.
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