Não informado. Survey of the literature of dental caries. University of Pittsburgh, School of Dentistry, Research Department.
Chicago-Zitierstil (17. Ausg.)Não informado. Survey of the Literature of Dental Caries. Pittsburgh, Pa: University of Pittsburgh, School of Dentistry, Research Department.
MLA-Zitierstil (8. Ausg.)Não informado. Survey of the Literature of Dental Caries. University of Pittsburgh, School of Dentistry, Research Department.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.