Surveillance of yellow fever / A.C. Saenz

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Citation
Saenz, A. C, Inter-Regional Seminar on the Methodology and Co-ordination of Epidemiological Surveillance of Communicable Diseases (1969:Liblice) & World Health Organization. (1969). Surveillance of yellow fever / A.C. Saenz. World Health Organization. https://apps.who.int/iris/handle/10665/70905
Description
Working paper n. 27YF
CD/WP/69.27
3 p.