The rescue intervention strategy for asthma patients under severe air pollution: a protocol for a single-centre prospective randomized controlled trial.
Xiaoyu YangJunjun HuangYan HuCuiyan GuoXi WangZhao YangTianyu ZhouGuangfa WangPublished in: Trials (2020)
ChiCTR ChiCTR1900026757 . Registered on 20 October 2019-retrospectively registered.