Van't Hof, M A [Dental survey (Leot-project): aims, sampling and participation]. [electronic resource] - Nederlands tijdschrift voor tandheelkunde Jan 1989 - 38-42 p. digital Publication Type: English Abstract; Journal Article ISSN: 0028-2200 Subjects--Topical Terms: AdolescentAdultAgedDental Health SurveysHumansMethodsMiddle AgedNetherlands