Morarit, Sompong, Kanjana Taypa, Witaya Boonyod, and Penprapa Siviroj. 2018. “Frailty phenotype characteristics of Community-dwelling frail elderly people in a sub-district”. Health Science, Science and Technology Reviews 11 (2):56-60. https://li01.tci-thaijo.org/index.php/journalup/article/view/184774.