Validity of open-ended and payment scale approaches to eliciting willingness to payCam Donaldson, David Torgerson, Ruth Thomas|Applied Economics|1997Cited by 171
Recruitment methods for screening programmes: trial of a new method within a regional osteoporosis study.Mark Garton, Donald Reid, Cam Donaldson et al.|BMJ|1992Cited by 69
Private versus social opportunity cost of time: Valuing time in the demand for health careDavid Torgerson, Donald Reid, Cam Donaldson|Health Economics|1994Cited by 57
An economic view of high compliance as a screening objectiveDavid Torgerson, Cam Donaldson|BMJ|1994Cited by 43
Hormone replacement therapy: compliance and cost after screening for osteoporosisDavid Torgerson, David M. Reid, Cam Donaldson et al.|European Journal of Obstetrics & Gynecology and Reproductive Biology|1995Cited by 42