0000950168-97-002153 4 1 19970731 19970811 NYSE LABORATORY CORP OF AMERICA HOLDINGS 0000920148 8071 133757370 DE 1231 4 34 001-11353 97655928 358 S MAIN ST BURLINGTON NC 27215 9102291127 358 S MAIN ST 4225 EXECUTIVE SQUARE, SUITE 800 BURLINGTON NC 27215 NATIONAL HEALTH LABORATORIES HOLDINGS INC 19940314 POWELL JAMES B 0001044220 DIRECTOR 4 358 SOUTH MAIN STREET BURLINGTON NC 27215 358 SOUTH MAIN STREET BURLINGTON NC 27215 4 1 000095016897002153-001-seq1-4.txt LABORATORY CORP OF AMERICA HOLDINGS FORM $