Thinhuatoey ฺ., Songwathana, P., & Rakpanusit, T. (2019). Effects of Two Oral Hygiene Care Methods on Incidence of Ventilator Associated Pneumonia in Respiratory Care Unit, Suratthani Hospital. Princess of Naradhiwas University Journal, 12(1), 47–63. Retrieved from https://li01.tci-thaijo.org/index.php/pnujr/article/view/216349