...
机译:一个随机试验的空气清洁剂和健康教练来改善室内空气质量市中心的儿童哮喘和二手烟雾暴露。
Division of General Pediatrics, Department of Pediatrics, The Johns Hopkins University School of Medicine, 200 N Wolfe Street, Baltimore, MD 21287, USA.;
Air cleaners; AIR CLEANING SYSTEMS; Second Hand SmokeAir qualityAsthma;