rec. Human rec. Rat rec. Murine recombinant rec. Rat rec. Rat rec. Human rec. Rat rec. Human rec. human rec. bovine rmLIF - rec. rec. Ovine rec. Rat rec. Human rec. Murine rec. Human rec. human rHuTPO rec. Murine rec. Human Thidiazuron TDZ rec. Human rec. Human rec. Human rec. Human rec. Human rec. Human rec. Human rec. mouse rec. Human Human rec. Human trans-Zeatin rec. Human rec. Human rec. Rat rec. Human rec. Human rec. Human Rat IFN-gamma rec. Human rec. Human rHuman Growth rec. Rat Kinetin -