title: Urine biomarker for benzene exposure and precancerous chromosome damage among gas station attendants in Bangkok, trend after implementation of declaration of standards for control of air quality.
authors.affiliation: Visiting Professor, Hainan Medical University, China ; Adjunct Professor, Joseph Ayobabalola University, Nigeria ; Visiting Professor, Faculty of Medicine, University of Nis, Serbia ; Professor, Senior Expert, Surinrajabhat University, Surin, Thailand.
authors.forename: Viroj
authors.initials: V
authors.lastname: Wiwanitkit