title: Calculating correlation coefficients with repeated observations: Part 1--Correlation within subjects.
authors.affiliation: Department of Public Health Sciences, St George's Hospital Medical School, London.
authors.forename: J M
authors.initials: JM
authors.lastname: Bland
authors.forename: D G
authors.initials: DG
authors.lastname: Altman
mesh_terms: D000704:Analysis of Variance; D002245:Carbon Dioxide / Q000097:blood; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010313:Partial Pressure; D012106:Research; D013223:Statistics as Topic / Q000379:methods*
chemical_list: D002245:Carbon Dioxide