An adapted Delphi approach: The use of an expert panel to operationally define non-judgment of internal experiences as it relates to mindfulness

Kraines, M. A., Uebelacker, L. A., Gaudiano, B. A., Jones, R. N., Beard, C., Loucks, E. B., & Brewer, J. A. (2020). Complementary therapies in medicine, 51, 102444.
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