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COPD is a chronic disease, if not treated or intervened at the initial stage, it can further develop into a common chronic disease of pulmonary heart disease and respiratory failure. If there is respiratory failure, long-term low-flow oxygen inhalation is recommended for more than 15 hours a day.VARON's oxygen concentrador can effectively relieve COPD symptoms.Know it now: https://varoninc.com/
E-mail Us: support@varoninc.com
