Danphaiboon, A. , Liewsaree, W. , Nambunmee, K. , Khantipongse, J. , Chaisuwan, C. and Khacha-ananda, S. 2020. The Relation Between Blood Hemeoxygenase-1 (HO-1) Levels and Lung Function Test in the Stone Mill Employees Who Are Occupationally Exposed to Silica Dust in Upper North Thailand. Thai Journal of Toxicology. 27, 1 (Jun. 2020), 16.