0000920148-03-000148 10-Q 4 20030630 20030814 LABORATORY CORP OF AMERICA HOLDINGS 0000920148 8071 133757370 DE 1231 10-Q 34 001-11353 03844798 358 S MAIN ST BURLINGTON NC 27215 3362291127 358 S MAIN ST BURLINGTON NC 27215 NATIONAL HEALTH LABORATORIES HOLDINGS INC 19940314 10-Q 1 edgarfinal10q.txt COMPANY 10-Q EX-31.1 4 tpmcert302.txt 302 CERTIFICATION OF CEO EX-31.2 5 wrecert302.txt 302 CERTIFICATION OF CFO EX-32 6 section906.txt SECTION 906 STATEMENT