de Liefde, B Longitudinal survey of enamel defects in a cohort of New Zealand children. [electronic resource] - Community dentistry and oral epidemiology Aug 1988 - 218-21 p. digital Publication Type: Journal Article ISSN: 0301-5661 Standard No.: 10.1111/j.1600-0528.1988.tb01758.x doi Subjects--Topical Terms: ChildDental Enamel--abnormalitiesDental Enamel Hypoplasia--pathologyFluorides--administration & dosageHumansLongitudinal StudiesNew ZealandTooth Discoloration--pathology