PrimaCell* 2 Human Ureter FibrOut* 2 Kit^ Kit PrimaCell* 2 Human Ureter FibrOut* 2, Fibroblast Inhibitory System (for 500 ml medium), mixture of cis-OH-proline, ricin toxin, gentamycin and formulated serum substitutes, stable at 4-8 degreeC, effective up to 4