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, laboratory or medical research; Cells for scientific and research use; 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 clonal isolates adapted to serum-free culture for the tr...