The demographic data in this report are derived from the Current Population Survey, which covers the civilian, noninstitutional population. Unless otherwise noted, all data come from the CPS Annual ...
Your large intestine is made up of several different parts, including your colon, rectum, anal canal, and cecum — a small pouch located in your colon. The appendix is a finger-shaped tube that’s about ...
Selection bias at study entry can arise for several reasons including selection of patients based on eligibility criteria related to the exposure and outcome, or from deviations between the date the ...
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