1. Drug Consumption in Europe;WHO Chronicle,1971
2. Report of the committee of Enquiry into the relationship of the Pharmaceutical Industry with the National Health Service 1965–1967;Minister of Health and the Secretary of State for Scotland,1967
3. Läkemedelsindustrin;Finans Department,1969
4. Prescribing patterns of physicians;Stolley;J. Chron. Dis.,1969
5. Prices and Profits in the Pharmaceutical Industry;Cooper,1966