Sirtex Medical Limited operates in the Commercial physical research sector. Sirtex Medical Limited is a biotechnology and medical device company. The Company is engaged in manufacturing and to distribute liver cancer treatments utilizing particle technology to approved markets in Asia-Pacific, Europe and the United States of America. It manufactures and distributes SIR-Spheres microspheres. SIR-Spheres microspheres are microscopic radioactive polymer spheres that contain yttrium-90 (Y-90) and emit beta radiation. SIR-Spheres microspheres are used for treating liver cancer. SIR-Spheres microspheres are used by medical professionals in more than 50 countries at 510 hospitals and treatment centers in the European Union, Australia, the United States and many Asian countries. During the fiscal year ended June 30, 2011, the Company also reached agreement with Australian Radiopharmaceuticals and Industrials (ARI) based at the Australian Nuclear Science and Technology Organisation (ANSTO) in Sydney to continue contract manufacture of its product. In our complete report available for purchase the company is compared to: Biota Holdings Limited, Mayne Pharma Group Limited and Idt Australia Limited..