Rasch analysis in the development of a simplified version of the national eye institute visual-function questionnaire-25 for utility estimation
Titel:
Rasch analysis in the development of a simplified version of the national eye institute visual-function questionnaire-25 for utility estimation
Auteur:
Kowalski, Jonathan W. Rentz, Anne M. Walt, John G. Lloyd, Andrew Lee, Jeff Young, Tracey A. Chen, Wen-Hung Bressler, Neil M. Lee, Paul Brazier, John E. Hays, Ron D. Revicki, Dennis A.