005860000a22001570004500003000900000005001700009110006700026245015600093562003500249264004900284300000900333041000800342650002600350650002100376650003100397PH-MaWHO20241108112257.0 aWorld Health Organization. Expanded Programme on Immunization. aMeasles control in the 1990s : protocol for analysing the age distribution and age-specific incidence of measles cases in a given population or region. aWHO/EPI/GEN/94.7.--Unpublished aGeneva : bWorld Health Organization,c1994. a17p. aeng aMeaslesxEpidemiology aAge distribution aEpidemiologic surveillance