What is it about?
methodological and statistical issues about a published paper
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Why is it important?
We explain the methodological and statistical issues that can affect the results of the paper.
Perspectives

We hope that these methodological and statistical issues can help the authors and other researcher in designing a case-control study.
Yahya Salimi
Kermanshah University of Medical Sciences
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This page is a summary of: Subclinical hypothyroidism is associated with migraine: A case-control study; methodological and statistical issues, Cephalalgia, May 2018, SAGE Publications,
DOI: 10.1177/0333102418779542.
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