Periodontal sites or patients as the experimental unit.
Hoberman
D
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Division of Biometrics, Food and Drug Administration, Washington, D.C.
D000704:Analysis of Variance; D002986:Clinical Trials as Topic / Q000379:methods* / Q000706:statistics & numerical data; D006801:Humans; D010361:Patients; D010510:Periodontal Diseases / Q000473:pathology / Q000628:therapy*; D015203:Reproducibility of Results; D012107:Research Design