TY - JOUR T1 - Improving the measurement of QALYs in dementia: Developing patient- and carer-reported health state classification systems using Rasch analysis JO - Value in Health UR - https://eprints.whiterose.ac.uk/11195/ PY - 2012/03/01 AU - Mulhern B AU - Smith SC AU - Rowen D AU - Brazier JE AU - Knapp M AU - Lamping DL AU - Loftus V AU - Young TA AU - Howard RJ AU - Banerjee S ED - DO - DOI: 10.1016/j.jval.2011.09.006 VL - 15 IS - 2 SP - 323 EP - 333 Y2 - 2025/04/13 ER -