Rasch analysis in the development of a simplified version of the national eye institute visual-function questionnaire-25 for utility estimation

Author: Kowalski Jonathan   Rentz Anne   Walt John   Lloyd Andrew   Lee Jeff   Young Tracey   Chen Wen-Hung   Bressler Neil   Lee Paul   Brazier John   Hays Ron   Revicki Dennis  

Publisher: Springer Publishing Company

ISSN: 0962-9343

Source: Quality of Life Research, Vol.21, Iss.2, 2012-03, pp. : 323-334

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