DOI:
10.1055/s-00030576
Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics
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References
Hozo SP, Djulbegovic B, Hozo I.
Estimating the mean and variance from the median, range, and the size of a sample.
BMC Med Res Methodol 2005;
5: 13 . Doi: 10.1186/1471-2288-5-13
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