Andhra Pradesh Eye Disease Study – Visual Function Questionnaire: Further Improvements in Psychometric Properties using Rasch Analysis

Author: Gothwal Vijaya K.   Bagga Deepak K.  

Publisher: Informa Healthcare

ISSN: 0928-6586

Source: Ophthalmic Epidemiology, Vol.19, Iss.5, 2012-10, pp. : 306-316

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