$DHR SEC Filings

Filing Filed On
AMENDMENT #2 TO FORM S-3 03 May 2001
PRE-EFFECTIVE AMENDMENT #1 TO FORM S-3 02 May 2001
AMENDMENT #1 TO FORM S-3 14 Mar 2001
AMENDMENT NO 1 TO FORM S-3 16 Oct 1998
FORM S-3/A 02 May 1996
FORM S-3/A 01 May 1996
S-3/A 24 Apr 1996