Saengkaew, P. , Ussawawongaraya, W. , Khaweerat, S. , Rugmai, S. , Ouajai, S. , Luengviriya, J. , Sanorpim, S. , Tirarattanasompot, M. , Rhianphumikarakit, S.. "A Preliminary X-Ray Study on Human-Hair Microstructures for a Health-State Indicator". World Academy of Science, Engineering and Technology, Open Science Index 59, International Journal of Biomedical and Biological Engineering (2011), 5(11), 630 - 634.