Nganwai, C., Premgamone, A., Panduangkaew, R., Ketsomboon, P., Ditsataporncharoen, T. and Bunloet, A. 2017. The Prevalence and Associated Factors of the Chronic Pyelonephritis among the Hypertensive Patients at Phukieo Hospital, Chaiyapoom Province. Srinagarind Medical Journal. 31, 6 (Jan. 2017), 399–408.