Measurements and Main Results: Among 25,627 sampling subjects, 20,245 participants completed the questionnaire and spirometry (response rate, 79.0%).

  • 测量方法和主要结果:在25627个受试者中,20245个参与者完成了调查表调查和肺量测量(应答率:79.;0%25)。
目录 查词历史