Basic Statistical Concepts for Sample Size Estimation

For grant proposals the investigator has to include an estimation of sample size.The size of the sample should be adequate enough so that there is sufficient Styling hair oil data to reliably answer the research question being addressed by the study.At the very planning stage of the study the investigator has to involve the statistician.To have mea

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IGF-1, IGFBP-1, and IGFBP-3 polymorphisms predict circulating IGF levels but not breast cancer risk: findings from the Breast and Prostate Cancer Cohort Consortium (BPC3).

IGF-1 has been shown to promote proliferation of normal epithelial breast cells, and the IGF pathway has DRY WAX also been linked to mammary carcinogenesis in animal models.We comprehensively examined the association between common genetic variation in the IGF1, IGFBP1, and IGFBP3 genes in relation to circulating IGF-I and IGFBP-3 levels and breast

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