نتایج جستجو برای: radiation hazard

تعداد نتایج: 301413  

Journal: :Brachytherapy 2017
Hani Ashamalla Adel Guirguis Kyle McCool Shauna McVorran Malcolm Mattes Daniel Metzger Clara Oromendia Karla V Ballman Bahaa Mokhtar Mounzer Tchelebi Evangelia Katsoulakis Sameer Rafla

PURPOSE The aim of the study was to compare prostate cancer-specific mortality (PCSM) in young men with clinically localized prostate cancer treated by either external beam radiation (EBRT) alone or brachytherapy with or without external beam radiation. METHODS AND MATERIALS Utilizing the Surveillance, Epidemiology and End Results database, 15,505 patients ≤60 years of age diagnosed with pros...

2017
Salvatore Terrazzino Letizia Deantonio Sarah Cargnin Laura Donis Carla Pisani Laura Masini Giuseppina Gambaro Pier Luigi Canonico Armando A. Genazzani Marco Krengli

PURPOSE This study was conducted to investigate the role of four polymorphic variants of DNA methyltransferase genes as risk factors for radiation-induced fibrosis in breast cancer patients. We also assessed their ability to improve prediction accuracy when combined with mitochondrial haplogroup H, which we previously found to be independently associated with a lower hazard of radiation-induced...

Journal: :Aerospace medicine 1961
H J SCHAEFER

H U M A N FLIGHT in extra-atmospheric regions has created, for the radiobiologist, a number of new problems resulting from the fact that the radiation environment in space is peculiarly different from what natural and man-made terrestrial radiation sources can provide. Already before the advent of the satellite era, when the ceiling of manned aircraft progressed from the troposphere deeply into...

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