1. Improving immunization coverage, a comparison between traditional MCH teams and MCH teams plus aid post orderlies;Alto;Papua New Guinea Medical Journal,1989
2. The costs, effects and cost-effectiveness of strategies to increase coverage of routine immunizations in low- and middle-income countries: systematic review of the grey literature;Batt;Bulletin of the World Health Organization,2004
3. Maximizing immunization coverage through home visits: a controlled trial in an urban area of Ghana;Brugha;Bulletin of the World Health Organization,1996
4. The improvement of immunization coverage by early immunisation of children in Malaysia;Chen;Medical Journal of Malaysia,1976
5. Influence of immunization schedule on immunization coverage;Chen;The Journal of Tropical Medicine and Hygiene,1989