Cite
MLA Citation
Unknown. Sample size calculations in clinical research. Boca Raton : Chapman & Hall/CRC, 2008. http://access.bl.uk/ark:/81055/vdc_100046165358.0x000001
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Unknown. Sample size calculations in clinical research. Boca Raton : Chapman & Hall/CRC, 2008. http://access.bl.uk/ark:/81055/vdc_100046165358.0x000001