1 Exhibit 10.23 Amersham Pharmacia Biotech Europe GmbH Tel +49 (0) 761/4519 Munzinger Qtr. 9 Fax +49 (0) 761/4510 D-79111 Frelburg Agreement has this day been made between Pharmacia Biotech Europe GmbH, hereinafter called "the Company" and Mr Lars...