Bansback N. Binary choice health state valuation and mode of administration: Head-to-head comparison of online and CAPI.

Mulhern B, Longworth L, Brazier J, Rowen D, Bansback N, Devlin N, Tsuchiya A. Binary choice health state valuation and mode of administration: Head-to-head comparison of online and CAPI. Value Health. 2013 Jan-Feb;16(1):104-13. doi: 10.1016/j.jval.2012.09.001. PMID: 23337221