title: Sputum interleukin-13 as a biomarker for the evaluation of asthma control.
authors: Z
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authors: Tsilogianni
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authors: Hillas
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authors: Bakakos
authors: L
authors: L
authors: Aggelakis
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authors: Konstantellou
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authors: AI
authors: Papaioannou
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authors: Papaporfyriou
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authors: Papiris
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authors: Koulouris
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authors: Loukides
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authors: Kostikas