radium-226

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radium-226,

a radioactive isotope used for most of the twentieth century to fill the needles and tubes required for brachytherapy. It is now being replaced by cesium-137 and cobalt-60, which have similar energy characteristics but are not subject to hazardous leakage as radium sources sometimes are.

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brachytherapy external beam radiotherapy implant Intracavitary Therapy intraoperative radiotherapy Ra radiation therapy radiotherapy radium radon-222 sealed source therapeutic radiopharmaceutical			and the other on radium-226 done at the PTB, an institute that sets measurement standards for the German federal government. Half-life (more or less): physicists are stirred by claims that the ... by Castelvecchi, Davide / Science News Three examples: * "The bottled water shall not contain a combined radium-226 and radium-228 activity in excess of 5 picocuries per liter of water. Do You Know What Bottled Water Has in It? by Anna Hart / Food/cooking/nutrition community 48) Present Study During the 1980s and early 1990s, elevated concentrations of radium-226 and radon-222 in groundwater wells and tap water were reported in Harris County, Texas, particularly in the northwest. Spatial distribution of orofacial cleft defect births in Harris ... by Walston, Jane / Southern Medical Journal			radiosensitization radiosensitizer radiosensitizers radiosurgery radiotelemetry radiotherapeutic radiotherapeutics radiotherapist radiotherapy radiothermy radiotoxemia radiotoxic radiotoxicity radiotracer radiotranslucent radiotransparent radiotropic radioulnar radioulnar articulation radisectomy radish radium Radium Dial Company radium insertion radium therapy radium-226 radius radiuscope radix Radizepam radon radon daughters radon seed radon-222 Radura RAEB raffinose Rafinesquia californica rafoxanide Ragdoll rage Rage Rage ragged hips Ragged Red Fibre Disease ragocyte ragpicker disease ragpicker's disease ragweed ragwort RAI Rai staging system			radium Radium (II) chloride Radium (Ra) Radium (Ra) Radium (Ra) radium age Radium anniversary Radium bromide radium carbonate radium cell Radium Chemical Company Radium chloride Radium Dial Company radium emanation radium emanation radium emanation radium emanation radium emanation Radium F Radium F Radium F Radium Floater Radium Floaters radium insertion radium needle radium plaque radium sulfate radium therapy radium therapy radium therapy radium-226 radius radius radius radius radius Radius (geometry) Radius (geometry) Radius (geometry) Radius (geometry) Radius bar radius brick radius brick radius clause radius curvus syndrome radius curvus syndrome radius curvus syndrome radius curvus syndrome radius cutter radius diffusion radius fixus radius fixus radius fixus radius fixus Radius gauge Radius gauges Radius guages Radius nerve Radius nerve Radius nerve radius of action

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