Free cholesterol is demonstrated in formalin-fixed frozen sections when treated successively by digitonin, alcohol-ether, and the Schultz technique, in which circumstances cholesterol esters are not visualized. Cholesterol esters and free cholesterol are both demonstrated in comparable sections treated by the Schultz method alone, so that the difference between such sections indicates the sites at which cholesterol esters may be considered present.
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Copyright, 1956, by The Rockefeller Institute for Medical Research
1956
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