1. Current Estimates from the National Health Interview Survey, 1994. Vital and Health Statistics–Series 10, No. 193, Hyattsville, Maryland: U.S. Department of Health and Human Services; (publication number PHS 96-1521) December 1995; 18.
2. McGrew RE. Encyclopedia of Medical History. New York: McGraw-Hill; 1985.
3. Olin BR, ed. Drug Facts and Comparisons. St. Louis: Facts and Comparisons; 1995.
4. Red Book. Montvale, NJ: Medical Economics Data; 1993.
5. A nationwide survey of antibiotic prescribing patterns and clinical outcomes in patients with bacterial pneumonia;Grasela;DICP, Ann Pharmacother,1990