Xalex
Pennsylvania, USA Xalex offers a wide variety of FDA approved medical self- tests for use in the privacy & convenience of the office or your own home, to the business & healthcare professional & individual persons. We provide single drug testing kits (marijuana urine drug test, cocaine urine drug test, ecstasy urine More...
www.xalex.com

Lab-aids
New York, USA Lab-aids provides applied science concept kits, which are available in the following science disciplines biology/life sciences, general, plant science, biochemistry, genetics/heredity/evolution, physiology, chemistry, earth science, elementary science, environmental science and physical science. Our More...
www.lab-aids.com