$HRTX SEC Filings

Filing Filed On
FORM 10-K 26 Mar 2004
FORM 10-K 28 Mar 2003
FORM 10-K 28 Mar 2002
FORM 10-K 26 Mar 2001
10-K 28 Mar 2000
10-K 30 Mar 1999
10-K 30 Mar 1998
FORM 10-K 28 Mar 1997