| Filed On | Filing |
|---|---|
| 26 Jun 2006 | AMENDMENT NO. 7 TO SCHEDULE 13D |
| 14 Jun 2006 | AMENDMENT #6 TO SCHEDULE 13D |
| 13 Jun 2006 | AMENDMENT NO. 5 TO SCHEDULE 13D |
| 12 Jun 2006 | AMENDMENT NO. 4 TO SCHEDULE 13D |
| 09 Jun 2006 | AMENDMENT NO. 3 TO SCHEDULE 13D |
| 08 Jun 2006 | AMENDMENT NO.2 TO SCHEDULE 13D |
| 24 Mar 2006 | AMENDMENT NO. 1 TO SCHEDULE 13D |
| 07 Sep 2001 | AMENDMENT TO SCHEDULE 13D |
| 22 Aug 2001 | AMENDMENT TO SCHEDULE 13D |
| 08 Dec 1999 | AMENDMENT #1 TO SCHEDULE 13D |
| 22 Jul 1999 | SCHEDULE 13D, AMENDMENT NO. 2 |
| 28 May 1998 | SCHEDULE 13D, AMENDMENT NO. 2 |
| 30 Mar 1998 | SCHEDULE 13D, AMENDMENT NO. 1 |
| 07 Mar 1997 | SCHEDULE 13D/A FOR MERCK KGAA |
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