Joseph R. Nemeth, DDS, Southfield, MI
Gary Herskovits, DDS, Brooklyn, NY
Earl M. Schneider, DDS, Glenview, IL
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Dr. med. dent. Teresa Meyer, Zürich, Switzerland
Dr. Maurício Duarte da Conceição, São Paulo and Campinas, Brazil
Oral Prevent GmbH, Hamburg, Germany: Was ist Mundgeruch (Halitosis) und wie entsteht dieser?
Dra. Mirna Tula, Córdoba, Argentina