Birn, Anne-Emanuelle; Armando Solórzano (1999). «Public health policy paradoxes: science and politics in the Rockefeller Foundation's hookworm campaign in Mexico in the 1920s». Social Science & Medicine49 (9): 1197-1213. PMID10501641. doi:10.1016/S0277-9536(99)00160-4.
Birn, Anne-Emanuelle; Armando Solórzano (1999). «Public health policy paradoxes: science and politics in the Rockefeller Foundation's hookworm campaign in Mexico in the 1920s». Social Science & Medicine49 (9): 1197-1213. PMID10501641. doi:10.1016/S0277-9536(99)00160-4.