title: Comment on Lu, et. al. 2004: Analyzing excessive no changes in clinical trials with clustered data.
authors.forename: Paul S
authors.initials: PS
authors.lastname: Albert
mesh_terms: D016301:Alveolar Bone Loss / Q000628:therapy; D002986:Clinical Trials as Topic / Q000379:methods*; D016000:Cluster Analysis; D003627:Data Interpretation, Statistical; D006801:Humans; D015233:Models, Statistical