Terms and Conditions: 20% off the purchase of one R&D Systems, one Novus Biologicals, or one Tocris Bioscience product. Excludes bulk quantities and special orders. Discount code “20AACR2016” must be quoted at time of order. Offer valid on one R&D Systems, one Novus Biologicals, or one Tocris Bioscience product through June 30, 2016. Excludes the Tocriscreen Total (Catalog # 2884) and Tocriscreen Mini (Catalog # 2890). Other exclusions may apply. Offer cannot be used in conjunction with any other offers or discounts, for prior purchases, or orders pending. No credits will be issued. Orders must be placed directly with R&D Systems, Novus Biologicals, Tocris Bioscience, or Fisher Scientific (not valid for Novus orders placed through Fisher Scientific). Offer is not valid on orders placed through our extended distributor network. All requests are subject to availability and approval by R&D Systems, Novus Biologicals, or Tocris Bioscience.