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Brachytherapy (HDR & LDR) Brachytherapy is a method of delivering radiation to tumors by placing radioactive sources either within or immediately adjacent to tumor tissue. Because the radiation source is very close to the tumor, therapeutic radiation can affect the tumor directly while minimally affecting normal tissue. Brachytherapy can be provided using low dose rate (LDR) or high dose rate (HDR) techniques, depending on the length of time the radioactive sources remain in place.
Inhalers for COPD - Advair. Advair is a combination of two medications: fluticasone, a corticosteroid, and salmeterol, a long-acting bronchodilator. Advair is used for maintenance treatment of COPD. Learn more about the different types of bronchodilators, and discover the pros and cons of corticosteroids as a treatment for COPD. More Â».