1. Childhood immunisation uptake in the Republic of Ireland;Harrington, P.; Woodman, C.; Shannon, W.;Ir Med J,1995
2. Barriers to vaccinating preschool children;Orenstein, W.A.; Atkinson, W.; Mason, D.;J Health Care Poor Underserved,1990
3. Low vaccination levels of US preschool and school-age children (Retrospective assessments of vaccination coverage;Zell, E.R.; Dietz, V.; Stevenson, J.;JAMA,1991
4. Uptake of immunisation in district health authorities in England;Jarman, B.; Bosanquet, N.; Rice, P.;BMJ,1988
5. Vaccine coverage: recent trends and future prospects;White, J.M.; Gillam, S.J.; Begg, N.T.;BMJ,1992