Papers."Proceedings of a symposium supported in part by unrestricted educational grants from AstraZeneca, Bayer Corporation, the Nuffield Trust, Pharm...
"Proceedings of a symposium supported in part by unrestricted educational grants from AstraZeneca, Bayer Corporation, the Nuffield Trust, Pharmacia Corporation, SmithKline Beecham, and the Wellcome Foundation, and held in Washington, DC, USA, on 4-5th May, 2000" -- on title page.