1. Raulio S Pietikäinen M Prättälä R and Project Group for Mass Catering Eating Habits of Finnish Schoolchildren during School Hours http://www.ktl.fi/attachments/suomi/julkaisut/julkaisusarja_b/2007/2007b26.pdf
2. Hoppu U Kujala J Lehtisalo J Tapanainen H Pietinen P Nutrition and Wellbeing of Secondary School Pupils http://www.ktl.fi/attachments/suomi/julkaisut/julkaisusarja_b/2008/2008b30.pdf
3. Sugar consumption and caries risk: a systematic review;Burt;J Dent Educ,2001
4. Sucrose intake since infancy and dental health in 10-year-old children;Ruottinen;Caries Res,2004
5. Nordblad A Suominen-Taipale L Rasilainen J Karhunen T Suun terveydenhuoltoa terveyskeskuksissa 1970-luvulta vuoteen 2000 National Research and Development Centre for Welfare and Health (STAKES) Reports 278 2004