Polyong, C.P., Thetkathuek, A., Pattaraphut, N. and Sripaung, N. 2017. Comparison of Trans, Trans-Muconic Acid Level between Roadside Occupations and Office Group in Maptaphut Area, Rayong Province, Thailand. Journal of Health Science of Thailand. 25, 6 (Nov. 2017), 950–959.