v.provide furniture with padding, springs, webbing, and covers

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Fire Behavior of Upholstered Furniture and Mattresses
Domestic allergens in public places II: dog (Can f 1) and cockroach (Bla g 2) allergens in dust and mite, cat, dog and cockroach all...
Indoor allergens in Minnesota schools and child care centers
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Environmental exposure to cockroach allergens: Analysis with monoclonal antibody-based enzyme immunoassay
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The prevalence of house dust mites, Dermatophagoides spp, and associated environmental conditions in homes in Ohio.
House dust mite and cat allergen in different indoor environments