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ARTICLE |

A STUDY OF HUMAN AMEBIASIS BY MEANS OF THE MOTION PICTURE

JOHN V. BARROW, M.D.
JAMA. 1931;96(3):167-171. doi:10.1001/jama.1931.02720290011003.
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ABSTRACT

For years I have longed to have the medical profession observe the human intestinal protozoa as plainly as I have seen them. The application of the moving film to microscopy has made this desire a reality. The transfer of the life activity of these minute animals from the high power microscope to the higher magnification of the screen is an art worthy of a genius such as my collaborator Mr. Stacy Woodard has proved himself. It is of interest to observe that the magnification thus achieved ranges from 10,000 to 100,000 diameters, and even more. These enlargements retain detail faithfully. The activity and life surroundings of these parasites can thus be studied leisurely and accurately. On account of the immensity of the subject this film is limited to those protozoa of major importance to medicine today; viz., Endameba dysenteriae (histolytica) and E. coli. A second film depicting the life of

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