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. 1998 Jan 10;316(7125):129. doi: 10.1136/bmj.316.7125.129
Statistics notes. Weighted comparison of means.
J M Bland
1, S M Kerry
1
J M Bland
1Department of Public Health Sciences, St George's Hospital Medical School, London.
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S M Kerry
1Department of Public Health Sciences, St George's Hospital Medical School, London.
Find articles by S M Kerry
1Department of Public Health Sciences, St George's Hospital Medical School, London.
PMCID: PMC2665397 PMID: 9462320