Prabnongbua, Anongnat, Polpun Boonmak, Manthana Katesiri, Suhattaya Boonmak, Kesorn Sitthisart, and Poonpissamai Ngeunphukeaw. 2017. “Waiting Time for Emergency Operating Room During After-Office Hours in Srinagarind Hospital”. Srinagarind Medical Journal 32 (4):320-25. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/96697.