Controlled clinical trials and practice-based research in dentistry.
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D018849:Controlled Clinical Trials as Topic / Q000379:methods*; D018865:Dental Research / Q000379:methods / Q000592:standards*; D019317:Evidence-Based Medicine / Q000379:methods*; D005792:General Practice, Dental; D006801:Humans; D019239:Practice Patterns, Dentists'