0000920148-03-000131 3 2 20030716 20030717 WEIKEL M KEITH 0001193930 3 34 001-11353 03791619 333 NORTH SUMMIT STREET 16TH FLOOR TOLEDO OH 43604 LABORATORY CORP OF AMERICA HOLDINGS 0000920148 8071 133757370 DE 1231 358 S MAIN ST BURLINGTON NC 27215 3362291127 358 S MAIN ST BURLINGTON NC 27215 NATIONAL HEALTH LABORATORIES HOLDINGS INC 19940314 3 1 primary_doc.xml PRIMARY DOCUMENT EX-24 3 poa_weikel.txt POWER OF ATTORNEY FORM FOR M. KEITH WEIKEL