1. Who Shall Live?;Fuchs,1974
2. Eli Lilly, New Life in the Drug Industry;Business Week,1979
3. Consumer protection regulation in ethical drugs;Grabowski;American Economic Review,1977
4. Structural effects of regulation on innovation in the ethical drug industry;Grabowski,1976
5. The decline in effective patent life of new drugs;Eisman;Research Management,1981