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The Sigma Repository is a free gray literature database provided by Sigma Theta Tau International Honor Society of Nursing. • Anyone with an internet connection may view the materials located here. • Any nurse who holds at least a BSN (or equivalent) degree from an accredited institution of higher education may submit their own work. • Sigma membership is not required. • Interprofessional collaborative writing is allowed. A nurse must be included in the group, but does not have to be the lead author. The nurse must submit the material on behalf of the author group.

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