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Author/Creator
- Pan American Health Organization28
- Pan American Sanitary Bureau16
- Monardes, Nicolás, approximately 1512-15889
- Population Council8
- Guerra, Francisco5
- World Bank5
- Health Sciences Education Information Center4
- World Health Organization4
- Clusius, Carolus, 1526-16093
- Cueto, Marcos3
- Stycos, J. Mayone3
- Becker, Julie2
- Coeytaux, Francine2
- Frampton, John, active 1577-15962
- Hull, Valerie J.2
- Instituto "Arnaldo de Vilanova" de Historia de la Medicina2
- Josiah Macy, Jr. Foundation2
- Leitman, Elizabeth2
- Malik, Waleed Haider, 1957-2
- Pan American Health Organization. Advisory Committee on Medical Research2