42 Research, analysis, design, development, advisory, consultancy and testing services, all relating to science, medicine, pharmacy, veterinary science and food technology; research and development services relating to chemistry, biology and micro-biology; research and development services in the fields of diagnostic chemicals, compounds and devices, measuring apparatus for use in product research and development; development of diagnostic test systems; testing and product development of biopharmaceuticals and medical devices laboratory research; detection and identification of micro organisms; immunodiagnostic services; chemical, biological and micro-biological assay services; custom assay development, testing, optimisation and validation; custom design and development of chemical reagents and biochemical assays; research support services in the nature of assay development and validation, product development, and report generation, all in the fields of virology, immunological, biological and biochemical research; preparation of technical documents and reports for medical and pharmaceutical products; information, advisory and consultation services in relation to the aforesaid.