Accuracy and cost-effectiveness of different screening strategies for identifying undiagnosed COPD among primary care patients (≥40 years) in China: a cross-sectional screening test accuracy study: findings from the Breathe Well group.
Zihan PanAndrew P DickensChunhua ChiXia KongAlexandra EnocsonBrendan G CooperPeymané AdabKar Keung ChengAlice J SitchSue JowettRachel AdamsJaime Correia-de-SousaAmanda FarleyNicola K GaleKate JollyMariam MaglakelidzeTamaz MaglakelidzeSonia M MartinsKatarina StavrikjRafael StelmachAlice M TurnerSian WilliamsRachel E JordanPublished in: BMJ open (2021)
ISRCTN13357135.