Efficacy of bronchoscopic thermal vapor ablation in patients with heterogeneous emphysema and lobar quantification by three-dimensional ventilation/perfusion single-photon emission computed tomography/computed tomography: a prospective pilot study from China. Issue 17 (5th September 2022) - Zhu, Wenjun; Zhang, Yuchen; Herth, Felix J.F.; Liu, Dan; Zhu, Hui; Shi, Jingyu; Zhang, Chujie; Tang, Gongshun; Luo, Fengming