Burr M L, St Leger A S, Neale E
Lancet. 1976 Feb 14;1(7955):333-5. doi: 10.1016/s0140-6736(76)90086-6.
A cross-over controlled trial has been conducted among 32 adult patients with mite-sensitive asthma. The bedclothes and pillows of each subject were laundered and vacuum-cleaned and a plastic cover applied to the mattress for six weeks in an attempt to reduce exposure to mites. No improvement in daily peak-flow reading or drug usage was found in comparison with a control period.