How to design and write a clinical research protocol in Cosmetic Dermatology.

An Bras Dermatol · 2013 · PMC3699935 · PMID 23539006

Europe PMC DOI

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may not be significantno p-value reported

STATISTICAL ANALYSIS It is essential to find real correlations and trends which may or may not be significant and which may or may not imply causation.

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