Rittidet, Chokan, Naesinee Chaiear, Panaya Tumsatan, Pornanan Domthong, Warawut Sukkasem, and Peter S. Burge. 2021. “Proportion of Occupational Progressive Fibrosing Interstitial Lung Disease in the Tertiary Hospitals of Thailand”. Asia-Pacific Journal of Science and Technology 26 (04):APST-26. https://doi.org/10.14456/apst.2021.37.