0000950103-97-000131 S-3 3 19970227 NYSE LABORATORY CORP OF AMERICA HOLDINGS 0000920148 8071 133757370 DE 1231 S-3 33 333-22427 97544832 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 S-3 1 000095010397000131-001-seq1-s-3.txt EX-23.1 2 000095010397000131-002-seq2-ex-23-1.txt EX-23.2 3 000095010397000131-003-seq3-ex-23-2.txt