Value in Health
Value in Health > 2002 > 5 > 4 > 312-328
Value in Health > 2006 > 9 > 4 > 213-218
Value in Health > 2009 > 12 > Supplement 3 > S78-S81
Value in Health > 2012 > 15 > 2 > 284-298
Value in Health > 2013 > 16 > 2 > 267-279
Value in Health > 2015 > 18 > 1 > 17-24
Value in Health > 2015 > 18 > 2 > 271-277
Value in Health > 2016 > 19 > 6 > 903-908