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The development of the Indian vision function questionnaire: field testing and psychometric evaluation
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  1. Correspondence to: Professor Astrid E Fletcher Department of Epidemiology and Population Health, Keppel Street, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK; astrid.fletcherlshtm.ac.uk
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Gupta SK, Viswanath K, Thulasiraj RD, et al
The development of the Indian vision function questionnaire: field testing and psychometric evaluation

Publication history

  • Accepted July 1, 2004
  • First published April 15, 2005.
Online issue publication 
April 15, 2005

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