CONTRACT RESEARCH AND DEVELOPMENT SERVICES IN THE LIFE AND ENVIRONMENTAL SCIENCES--NAMELY, TOXICOLOGY, ANALYTICAL AND CLINICAL CHEMISTRY, BIO-CHEMISTRY, MICROBIOLOGY, VIROLOGY, ONCOLOGY, CYTOGENETICS, RADIOBIOLOGY, ENTOMOLOGY, PLANT AND ANIMAL PATHOLOGY, AND VETERINARY MEDICINE, AND RESEARCH AND REGULATORY LIAISON SERVICES FOR OTHERS BEFORE GOVERNMENT AGENCIES