Reliability of Self-Reported Toothbrushing Frequency as an Indicator for the Assessment of Oral Hygiene in Epidemiological Research on Caries in Adolescents: A Cross-Sectional Study
BMC Medical Research Methodology - United Kingdom
doi 10.1186/s12874-015-0002-5
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Date
March 8, 2015
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Springer Science and Business Media LLC