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Incorporating quality of life changes into economic evaluations of health care: an overview
Blumenschein, Karen, (1996)
Experimental Results on Expressed Certainty and Hypothetical Bias in Contingent Valuation
Blumenschein, Karen, (1998)
Eliciting Willingness to Pay Without Bias: Evidence from a Field Experiment
Blumenschein, Karen, (2008)