[1]
Ratanasuwan, P., Nonphiaraj, S., Pongjanyakul, S., Somdee, W. and Taesiri, W. 2015. Efficacy of Combination of Ketamine and Morphine for Intravenous Patient Controlled- Analgesia in Upper Abdominal Surgery at Srinagarind Hospital. Srinagarind Medical Journal. 30, 5 (Oct. 2015), 67.