1. Ontario Guidelines for Economic Analysis of Pharmaceutical Products,1994
2. Guidelines for the Pharmaceutical Industry on Preparation of Submissions to the Pharmaceutical Benefits Advisory Committee,1992
3. A First Class Service: Quality in the New NHS,1998
4. An economic evaluation of asthma in the United States;Weiss;N Engl J Med,1992
5. The Occurrence and Cost of Asthma,1990