Pratiwi, S. et al. 2022. The Characteristic of Lung Physiology Based on Spirometry Examination in Suspect Lung and Mediastinal Tumor patient. Jurnal Klinik dan Riset Kesehatan. 1, 3 (Jun. 2022), 156–162. DOI:https://doi.org/10.11594/jk-risk.01.3.3.