Study of Urinary and Fecal Excretion of Radioactive Chromium Cr⁵¹ in Man. Its Use in the Measurement of Intestinal Blood Loss Associated with Hookworm Infection

^aInstituto de Investigaciones Médicas, Fundación Luis Roche, the Banco Municipal de Sangre, and the Hospital Vargas, Caracas, Venezuela

This work was supported by a grant from the Creole Petroleum Corporation.

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^aInstituto de Investigaciones Médicas, Fundación Luis Roche, the Banco Municipal de Sangre, and the Hospital Vargas, Caracas, Venezuela

This work was supported by a grant from the Creole Petroleum Corporation.

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^aInstituto de Investigaciones Médicas, Fundación Luis Roche, the Banco Municipal de Sangre, and the Hospital Vargas, Caracas, Venezuela

This work was supported by a grant from the Creole Petroleum Corporation.

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^aInstituto de Investigaciones Médicas, Fundación Luis Roche, the Banco Municipal de Sangre, and the Hospital Vargas, Caracas, Venezuela

This work was supported by a grant from the Creole Petroleum Corporation.

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