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The aim of this study was to compare the cytokine levels in nasal fluid in subjects with nasal polyposis (NP) and co-morbid asthma and NP patients without asthma and to correlate these levels with clinical parameters of severity of disease. Forty NP patients (20 asthmatic and 20 nonasthmatic) were enrolled. Nasal secretion samples were collected from nasal cavities of all 40 subjects. The levels of...
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