Koch, G. (1967). Effect of sodium fluoride in dentifrice and mouthwash on incidence of dental caries in schoolchildren. Gleerup.
Citace podle Chicago (17th ed.)Koch, Göran. Effect of Sodium Fluoride in Dentifrice and Mouthwash on Incidence of Dental Caries in Schoolchildren. Lund: Gleerup, 1967.
Citace podle MLA (8th ed.)Koch, Göran. Effect of Sodium Fluoride in Dentifrice and Mouthwash on Incidence of Dental Caries in Schoolchildren. Gleerup, 1967.
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