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How to do random allocation (randomization).
Kim J, Shin W. Kim J, et al. Clin Orthop Surg. 2014 Mar;6(1):103-9. doi: 10.4055/cios.2014.6.1.103. Epub 2014 Feb 14. Clin Orthop Surg. 2014. PMID: 24605197 Free PMC article.
How to calculate sample size and why.
Kim J, Seo BS. Kim J, et al. Clin Orthop Surg. 2013 Sep;5(3):235-42. doi: 10.4055/cios.2013.5.3.235. Epub 2013 Aug 20. Clin Orthop Surg. 2013. PMID: 24009911 Free PMC article.
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