Dr. Kuettel answers the question: 'External Beam Vs. Seed Implant Therapy? March 16, 2009 -- Question: What is the difference between external beam radiation therapy and seed implant therapy? Answer: ...

Irradiators utilizing radioactive cesium-137 (¹³⁷Cs) or cobalt-60 (⁶⁰Co) gamma-ray sources have been used for biological applications for many decades. These applications include irradiation of much ...

When you’re not feeling well, a health care provider can often make a diagnosis based on your symptoms, vital signs, and medical history. But when it comes to examining bones, internal organs, or soft ...

Researchers have succeeded in something that has been pursued since the 1970s: explaining the X-ray radiation from the black hole surroundings. The radiation originates from the combined effect of the ...