RICHLAND, Wash.--(BUSINESS WIRE)--IsoRay, Inc. (AMEX:ISR) announced today that on June 4, 2009, Dr. Karen Pitman of the Department of Otolaryngology and Communicative Sciences and Dr. Michael Baird of the Radiation Oncology Department of the University of Mississippi Medical Center performed the world’s first head and neck permanent seed Cesium-131 implant.
