Archives Announcement 31/07/2002   Investor Update 17/06/2002   Psoriasis Update 05/06/2002   Multiple Sclerosis Update 30/05/2002   Update 04/03/2002   Offer of Options 11/01/2002   Joint Announcement 20/12/2001   Oversubscribed 10/12/2001   Listing 27/11/2001   Proposed listing 02/11/2001