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Searching for a common currency: Critical appraisal of the scientific basis underlying European harmonization of the measurement of health related quality of life (EuroQol(c))
Gafni, Amiram, (1993)
Cost-effectiveness ratios: in a league of their own
Birch, Stephen, (1994)
Information Created to Evade Reality (ICER): Things We Should Not Look to for Answers
Birch, Stephen, (2006)