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Miguel Manresa, Jr., a graduate student from Laguna, Philippine Islands. He is doing research on the effect of vitamins on the reproduction of intestinal protozoa in the rat. Iowa State College. Ames, Iowa
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Credit lineMiguel Manresa, Jr., a graduate student from Laguna, Philippine Islands. He is doing research on the effect of vitamins on the reproduction of intestinal protozoa in the rat. Iowa State College. Ames,. 1942-01-01. Delano, Jack. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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