1. The amount of bedding was constant in the two studies, but the prevalence of overnight heating fell slightly from 25%0 in 1987-9 to 17%/oro/in* trhains7 nstauadr/y* i*r*n tshe matched controls. This would reduce the predicted mortality a little further to 1 8/1000. The fact that a reduction in the prone sleeping This study was supported by the Foundation for the Study aoDfnedbIbnpifraeoncJteascDsoeibanstg, hsPdaat(map, rNojaaendcditnt,1h2ae1n)h.deaRWloetshietvhiMsacintCkoarTsbheaenfldomrapcaorHleolnwetcestlilon, gf Avon for their cooperation
2. Cot deaths and sleeping position. Lancet 1989; 3 Beal 1S~~M~~.149S-5l0.eeping position and the sudden infant death svndrome;de Jonge GA; AC, Engelberts,1988