R Mejía, F Espinal, H Vélez, A Vélez. Show Affiliations »
Abstract
Mesh: See more » AdolescentChildColombiaDental Caries/epidemiologyDental Health SurveysFluoridationHealth SurveysHumansStudents
Year: 1969 PMID: 4240198
Source DB: PubMed Journal: Bol Oficina Sanit Panam ISSN: 0030-0632