1. The retail cost of antiglaucoma medication;Kass,1977
2. Retail cost of antiglaucoma drugs in two cities;Ritch;Am. J. Ophthalmol.,1978
3. Consumer Price Index Detailed Report. Department of Labor, Bureau of Labor Statistics, May, 1976.
4. Consumer Price Index Detailed Report. Department of Labor, Bureau of Labor Statistics, August, 1980.
5. Drug product selection. The Florida experience;Vuturo;Am. J. Public Health,1980