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. 2005 Aug 11;16(5):393–401. doi: 10.1111/j.1399-3038.2005.00308.x

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This article is being made freely available through PubMed Central as part of the COVID-19 public health emergency response. It can be used for unrestricted research re-use and analysis in any form or by any means with acknowledgement of the original source, for the duration of the public health emergency.

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Levels of cockroach allergen Bla g 1 in dust samples from homes of children 0.5–2 yr of age, collected within 3 wk post‐time 1 (T1 – index episode of wheezing). Children were subsequently identified as persistent or transient wheezers at time 3 (24 ± 3 months after T1). Dust samples were collected from four sites of each patient's home: bedding, bedroom floor (floor), TV room (TV), and kitchen (KT), and levels of Bla g 1 were determined by enzyme‐linked immunosorbent assay (ELISA). Detection limit of the assay was 0.7 U/g of dust, and the number of samples with undetectable levels is indicated. * p = 0.02, when compared to dust samples collected from homes of transient wheezers.