Efficacy of indoor air purification in treating Artemisia (mugwort) pollen allergic rhinitis: study protocol for a randomised controlled trial.
Qiao-Yan ChenLi LiLi ZhangJin-Han MoZi-Feng YangXiao-Lin WeiYun-Ying LiJi-Yan XiaXiao-Bing BaiPei-Fang XiePublished in: BMC public health (2018)
ChiCTR-INR-17012481 . (Retrospectively registered 26 August 2017).