Polruk, Jidapa, and Nutta Taneepanichskul. 2017. “Factors Related to Neck and Shoulder Pain Among the Royal Thai Air Force Pilots, Bangkok, Thailand”. Journal of Health Research 28 (Suppl.):S15-S20. https://he01.tci-thaijo.org/index.php/jhealthres/article/view/94044.