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Assessing the impact of diverse mask types on COPD patients: a randomised controlled trial study protocol.

Xuwen ChenXiaomei JiangXuhui ZhangDong RenCaihong WeiAihong XuHong YangRuijia BaiCaiyun LiFeiyan YueShisan BaoJungang ShiJing-Chun Fan
Published in: BMJ open (2024)
ChiCTR2300074554.
Keyphrases
  • study protocol
  • end stage renal disease
  • ejection fraction
  • randomized controlled trial
  • newly diagnosed
  • chronic obstructive pulmonary disease
  • prognostic factors
  • open label
  • lung function