Varakorn Chirdjirapong

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BACKGROUND Different mattress materials may affect the accumulation of allergens. OBJECTIVE To compare the amount of group 1 dust mite allergens (Der p1 + Der f1) on mattresses made of different kinds of materials before and after use. METHODS Sixty new mattresses made of kapok, synthetic fiber, coconut fiber and sponge-like polyurethane, were placed in(More)
BACKGROUND Cysteinyl leukotrienes have been shown to play an important role in the pathogenesis of asthma. The effect of the leukotriene receptor antagonist, montelukast, on bronchial hyperreactivity (BHR) as measured by the methacholine challenge test in school childre in has not been reported. OBJECTIVE To determine the effect of montelukast (Singulair)(More)
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