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Authors' affiliations: Assistant Professor (Dr Welton), College of Nursing, Medical University of South Carolina, Charleston, SC; Regional Vice President of Clinical Services (Ms Harris), Banner Health Western Region, Greeley, Colo. Corresponding author: Dr Welton, College of Nursing, Medical University of South Carolina, 99 Jonathan Lucas St, Room 527, Charleston, SC 29425 ([email protected]).
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Welton et al. (2007) studied this question.
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