Sa-Ngasoongsong, Paphon, Noratep Kulachote, Norachart Sirisreetreerux, Pongsathorn Chanplakorn, Sukij Laohajaroensombat, Jariyawadee Seeraprom, Chanyut Suphachatwong, Viroj Kawinwonggowit, and Wiwat Wajanavisit. 2017. “Outcome of Early Hip Fracture Surgery in Elderly Patients in Ramathibodi Hospital: A Prospective Cohort Study”. Ramathibodi Medical Journal 36 (1):3-12. https://he02.tci-thaijo.org/index.php/ramajournal/article/view/102031.