TY - JOUR T1 - QALYs and ageism: philosophical theories and age weighting. JO - Health Econ PY - 2000/01/01 AU - Tsuchiya A ED - DO - DOI: 10.1002/(sici)1099-1050(200001)9:1<57::aid-hec484> VL - 9 IS - 1 SP - 57 EP - 68 Y2 - 2024/09/19 ER -