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Richard N. Fox, Ph.D., is a research health scientist at the Veterans Administration Medical Center, Buffalo, New York. Marlene R. Ventura, Ed.D., R.N., is associate chief, Nursing Service/Research at the Veterans Administration Medical Center, Buffalo, New York. The authors wish to acknowledge the assistance of Irineo Gutierrez, M.D., Delores Young, R.N., M.S., and Cathy Burke.
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Fox et al. (1983) studied this question.
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