Date:18 Janunery 1996

[Yu Yanxing]

Dear Sir

  I am a postdoctoral fellow.Now I need the scFv of CEA badly for my
 bispecific antibody research. I will appreaciate it very much if anyone
are kindly offer the plasmid of this scfv. Thank you for your help once
again.

                                 Your sincerely: Yan-Xing Yu Ph.D
                                  Department of General Surgery
                                  General Hospital of PLA
                                  28 Tai-Ping Road
                                  Beijing 100853 China



--LAA23149.822164482/net.bio.net--