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Laryngeal cancer Radiation therapy
Co-author of the study Professor Jongheop Yi, from Seoul National University, said: Our study has shown that used-cigarette filters can be transformed into a high-performing carbon-based material using a simple one step process, which simultaneously offers a green solution to meeting the energy demands of society
Designed for smooth air flow, Zen filters were developed and tested for ideal ventilation
Phil Interlandi (drawings)
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