title: Correlation in restricted ranges of data.
authors.affiliation: Department of Health Sciences, University of York, York YO10 5DD. martin.bland@york.ac.uk
authors.forename: J Martin
authors.initials: JM
authors.lastname: Bland
authors.forename: Douglas G
authors.initials: DG
authors.lastname: Altman
mesh_terms: D015992:Body Mass Index; D003625:Data Collection / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008297:Male; D018401:Sample Size; D013223:Statistics as Topic; D055105:Waist Circumference