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Willingness to pay for a hearing aid: comparing the payment scale and open-ended question
Janneke P. C. Grutters, Lucien J. C. Anteunis, Michelene N. Chenault, Manuela A. JooreVolume:
15
Year:
2009
Language:
english
Pages:
6
DOI:
10.1111/j.1365-2753.2008.00959.x
File:
PDF, 82 KB
english, 2009