Kamso, Sudijanto, and Purwantyastuti Purwantyastuti. “Determinants of Systolic Blood Pressure in Indonesian Elderly Men: In Factor Analysis Perspective (A Study in Four Indonesian Big Cities)”. Medical Journal of Indonesia 15, no. 2 (May 1, 2006): 115-20. Accessed April 27, 2024. http://mji.ui.ac.id/journal/index.php/mji/article/view/224.