TY - CONF T1 - VIOLATIONS OF THE ADDITIVE ASSUMPTION IN THE STANDARD QALY APPROACH: EXTRA-MAXIMAL TRADE OFFS JO - QUALITY OF LIFE RESEARCH PY - 2004/01/01 AU - Verschuuren M AU - van Hout BA AU - Bonsel GJ ED - VL - 13 IS - 9 SP - 1570 EP - 1570 Y2 - 2024/12/26 ER -