Investigational New Drugs 11: 99, 1993.

THIRD ANTICANCER DRUG DISCOVERY AND DEVELOPMENT SYMPOSIUM San Diego, California July 22-24, 1993 To receive a copy of the brochure and abstract guidelines please contact: Frederick Valeriote, Ph.D. Division of Hematology and Oncology Wayne State University School of Medicine P.O. Box 02188 Detroit, Michigan 48201, USA (313) 745-8252

lnvestigational New Drugs 11: 100, 1993.

I N T E R N A T I O N A L S Y M P O S I U M O N T H E D E V E L O P M E N T OF D R U G S F R O M NATURAL SOURCES Beijing, People's Republic of China October 19-23, 1993 The purpose of this International Symposium is to promote research and development of drugs derived from natural sources and to strenghten academic exchange and cooperation among scientists from different countries. The Symposium will focus on the following aspects of natural drugs: -drug development strategy -general trends and past progress -new technology and methodology in drug screening and development -commercialization on an international scale.

Symposium Organizers and Sponsors: State Science and Technology Commission of China, the United Nations Development Program (UNDP), and the China International Center for Economic anf Technical Exchange. For information and registration forms, please contact: Mr. X.U. Cheng-xun, International Symposium on the Development of Drugs from the Natural Sources, Department of Science and Technology for Social Development, The State Science and Technology Commission of China, 15(B) Pu Xing Road, Beijing 100862, PRC, Tel: (81) 1-8515544-1607, Fax: (81) 1-3017757. Registration and Abstract deadline: June 30, 1993.