Orain Winthachai และ Chirakit Hengrussamee. (2020) Agreement of Prehospital Severity Assignment: Comparisons among 3 Different Patient Assessment Tools in Urban Emergency Medical Service. <i>Vajira Medical Journal</i>, <i>64</i>(3), 193-204.Orain Winthachai และ Chirakit Hengrussamee. "Agreement of Prehospital Severity Assignment: Comparisons among 3 Different Patient Assessment Tools in Urban Emergency Medical Service". Vajira Medical Journal 64 (2020):193-204.Orain Winthachai และ Chirakit Hengrussamee. Agreement of Prehospital Severity Assignment: Comparisons among 3 Different Patient Assessment Tools in Urban Emergency Medical Service. Text and Journal Publication:ม.ป.ท. 2020.