1. Screening of vision in school: could we do better by doing less?;Stewart-Brown, S.L.; Haslum, M.;BMJ,1988
2. Principles and practice of screening for disease;Wilson, J.M.G.; Jungner, G.,34.)
3. Vision screening in children tested;Tibbenham, A.D.; Peckham, C.S.; Gardiner, P.A.;BMJ; and 16 years,1978
4. An assessment of the present system for visual screening of school children in Nottingham;Hardman-Lea, S.J.; Haworth, S.M.;British OrthopticJournal,1989
5. children: aprogrammefor child health surveillance;Hall DMB. Healthfor all,1989