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Click to increase image sizeClick to decrease image size Additional informationNotes on contributorsCarole BlandCarole J. Bland is associate professor and Constance C. Schmitz is a research Fellow in the Department of Family Practice and Community Health at the University of Minnesota Medical School, 6–240 Phillips-Wangensteen Building, 516 Delaware St., SE, Box 381, UMHC, Minneapolis, Minn. 55455.Constance C. SchmitzCarole J. Bland is associate professor and Constance C. Schmitz is a research Fellow in the Department of Family Practice and Community Health at the University of Minnesota Medical School, 6–240 Phillips-Wangensteen Building, 516 Delaware St., SE, Box 381, UMHC, Minneapolis, Minn. 55455.
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Bland et al. (1988) studied this question.
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