Follow-up study in local allergic rhinitis shows a consistent entity not evolving to systemic allergic rhinitis

Background Local allergic rhinitis (LAR) is a common disease that affects 25.7% of the rhinitis population and more than 47% of patients previously diagnosed with nonallergic rhinitis. Whether LAR is the first step in the natural history of allergic rhinitis (AR) with systemic atopy or a consistent...

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