HCP-ELISA builds upon Company’s HCP-GAPex℠ service, increasing the efficiency and efficacy of HCP assay developmentWILMINGTON, Mass. (BUSINESS WIRE) $CRL #LIFEatCRL Charles River Laboratories International, Inc. (NYSE: CRL) today announced the launch of its first Enzyme-Linked Immunosorbent Assay (ELISA) Kit for.