title: Technical note on the statistical analysis of one longitudinal periodontal study.
authors.forename: H W
authors.initials: HW
authors.lastname: Wiskott
mesh_terms: D005881:Gingiva / Q000473:pathology; D006801:Humans; D008137:Longitudinal Studies; D010512:Periodontal Index; D010514:Periodontal Pocket / Q000453:epidemiology / Q000473:pathology / Q000601:surgery*; D010518:Periodontitis / Q000601:surgery*