$LH SEC Filings

Filing Filed On
PRIMARY DOCUMENT 11 Feb 2011
PRIMARY DOCUMENT 11 Feb 2011
PRIMARY DOCUMENT 11 Feb 2011
FORM 8-K 10 Feb 2011
LH AS OF 12/31/10 10 Feb 2011
FORM 8-K 10 Feb 2011
SC 13G/A 08 Feb 2011
SC 13G/A 07 Feb 2011
FORM 8-K 31 Jan 2011
FORM 8-K 11 Jan 2011
FORM 8-K 05 Jan 2011
PRIMARY DOCUMENT 05 Jan 2011
PRIMARY DOCUMENT 04 Jan 2011
FORM 8-K 03 Jan 2011
PRIMARY DOCUMENT 28 Dec 2010
FORM 8-K 07 Dec 2010
PRIMARY DOCUMENT 03 Dec 2010
FORM 8-K 03 Dec 2010
FORM 8-K 01 Dec 2010
FORM 8-K 22 Nov 2010