Daphne Guh

The impact of cost sharing of prescription drug expenditures on health care utilization by the elderly: own- and cross-price elasticities.

Xin Li, Diane Lacaille, J. Esdaile, 2007, Health policy.

Using the health assessment questionnaire to estimate preference-based single indices in patients with rheumatoid arthritis.

Aki Tsuchiya, John Brazier, Nick Bansback, 2007, Arthritis and rheumatism.

Diacetylmorphine versus methadone for the treatment of opioid addiction.

Martin T Schechter, M. Schechter, A. Anis, 2009, The New England journal of medicine.