1. Läkares läkemedelsval ur samhällets synvinkel;Lilja,1975
2. The Theory of Buyer Behavior;Howard,1969
3. The relationship between physician characteristics and prescribing appripriateness;Stolley;Med. Care,1972
4. Medical Innovation, a Diffusion Study;Coleman,1966
5. An analytic study of North Carolina general practice 1953–1954;Peterson;J. med. Educ.,1956