TY - CONF T1 - Predicting SF-6D preference-based utilities using mean SF-36 health dimension scores when patient level data are not available JO - VALUE HEALTH PY - 2008/05/01 AU - Ara R AU - Brazier JE ED - VL - 11 IS - 3 SP - A178 EP - A178 Y2 - 2025/03/17 ER -