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What Is Oxygen therapy? Oxygen therapy refers to the improvement of blood oxygen drop by inhaling oxygen to patients, which belongs to the category of inhalation therapy.With the improvement of medical technology, oxygen therapy has been incorporated into the normal means...
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How to relieve chest congestion For too many people, winter equals chest congestion season, when you have a load of mucus in your chest that just won’t come up, no matter how hard you cough. Chest congestion can be caused...
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