Shiuan Chen

Division of Immunology, Beckman Research Institute of the City of Hope, Duarte, CA 91010

Received 12/18/97 Accepted 7/15/98

Send correspondence to:

Dr Shiuan Chen
Division of Immunology
Beckman Research Institute of the City of Hope
Duarte, CA 91010

Tel: (626)- 359-8111, Ext. 2601
Fax: (626)-301-8186,
E-mail: schen@ smtplink. coh.org