0000920148-97-000009 8-K/A 1 19970220 2 19970226 NYSE LABORATORY CORP OF AMERICA HOLDINGS 0000920148 8071 133757370 DE 1231 8-K/A 34 001-11353 97544608 358 S MAIN ST BURLINGTON NC 27215 8002227566 NATIONAL HEALTH LABORATORIES HOLDINGS IN 4225 EXECUTIVE SQUARE, SUITE 800 LAJOLLA CA 92037 NATIONAL HEALTH LABORATORIES HOLDINGS INC 19940314 8-K/A 1 000092014897000009-001-seq1-8-k-a.txt