Owen S, Morganstern M, Hepworth J, Woodcock A
Regional Department of Respiratory Physiology, Wythenshawe Hospital, Manchester, UK.
Lancet. 1990 Feb 17;335(8686):396-7. doi: 10.1016/0140-6736(90)90219-u.
Bedding has been constructed with a vapour-permeable waterproof fabric that is impermeable to house dust mite antigen (Der p1). Der p1 levels per gram of mattress dust after 12 weeks' use of the new covering were 1% of levels in control samples from mattresses cleaned conventionally.
