Cells for scientific and research use; Cells for scientific, laboratory or medical research; cells for scientific and research use in the nature of cell lines and recombinant cell lines; cells for scientific and research use in the nature of cell lines adapted to serum-free culture for the transfection, expression and production of recombinant proteins, macromolecules and biologics; cells for scientific and research use in the nature of clonal isolates adapted to serum-free culture for the tr...