Status of Polio Eradication in the Seven Countries of the Eastern Africa Epidemiological Block

Autor: Klaucke, Douglas N., Lobanov, Andrei, Okwo-Bele, Jean-Marie, Barakamfitiye, Deogratias
Zdroj: The Journal of Infectious Diseases, 1997 Feb 01. 175, S16-S19.
Databáze: JSTOR Journals