Select Journal or Resource JAMA & Archives Home JAMA Archives of   Dermatology   Facial Plastic Surgery   Family Medicine (1992-2000)   General Psychiatry   Internal Medicine   Neurology   Neurology and Psychiatry (1919-1959)   Ophthalmology   Otolaryngology—Head & Neck Surgery   Pediatrics & Adolescent Medicine   Surgery JAMA & Archives CME Calendar of Events JAMA Career Center For The Media JAMAevidence AMA Manual of Style Peer Review Congress JAMA-français

Institution: CLOCKSS  | My Account | E-mail Alerts | Access Rights | Sign In Vol. 3 No. 12, December 1994   Archives  • Online Features Letters to the Editor  This Article  • Excerpt  • Full text PDF  • Send to a friend  • Save in My Folder  • Save to citation manager  • Permissions  Citing Articles  • Contact me when this article is cited  Related Content  • Similar articles in this journal Pharmacoeconomic Considerations in Pharmaceutical Company Promotions-Reply Richard Levy, PhD Arch Fam Med. 1994;3(12):1035. References Article references have been provided for searching and linking. Additional reference information may be available in the article PDF. 1. Levy RA. Pharmaceutical Research: Therapeutic and Economic Value of Incremental Improvements. Reston, Va: National Pharmaceutical Council; 1990. 2. Yasuda SA, Woosley RL. The clinical value of FDA class C drugs approved from 1981 to 1988. Clin Pharmacol Ther. 1992;52:577-582. PUBMED