As a rule, large doses of radiation are of concern because of their immediate effects on the body (somatic), while low doses are of concern because of the potential for possible late somatic and long-term genetic effects. An observable effect due to radiation exposure becomes quite certain after a single dose of several hundred rads. Radiation sickness describes the harmful effects–acute, delayed, or chronic–produced by exposure to ionizing radiation. 5 Myths About Orphan Drugs and the Orphan Drug Act.COVID-19 Rapid Response Leadership Series.Information on Clinical Trials and Research Studies.
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