Preeyaphan Arunakul และ Thanachit Ruangprach; Prapasri Kulalert; Marut Arunakul. (2022) Efficacy and Safety of Intrathecal Morphine in Foot and Ankle Surgery Patients,A Retrospective Study. <i>Science & Technology Asia</i>, <i>27</i>(4), 20-26.Preeyaphan Arunakul และ Thanachit Ruangprach; Prapasri Kulalert; Marut Arunakul. "Efficacy and Safety of Intrathecal Morphine in Foot and Ankle Surgery Patients,A Retrospective Study". Science & Technology Asia 27 (2022):20-26.Preeyaphan Arunakul และ Thanachit Ruangprach; Prapasri Kulalert; Marut Arunakul. Efficacy and Safety of Intrathecal Morphine in Foot and Ankle Surgery Patients,A Retrospective Study. Research Administration Division:ม.ป.ท. 2022.