Detpon Preechagoon และ Khanittha Tontisirin. (2007) Long-term Stability Study of Preservative-free Preparations of Morphine Injection. <i>Isan Journal ofPharmaceutical Sciences</i>, <i>3</i>(1), 25-35.Detpon Preechagoon และ Khanittha Tontisirin. "Long-term Stability Study of Preservative-free Preparations of Morphine Injection". Isan Journal ofPharmaceutical Sciences 3 (2007):25-35.Detpon Preechagoon และ Khanittha Tontisirin. Long-term Stability Study of Preservative-free Preparations of Morphine Injection. Faculty of Pharmaceutical Sciences KKU MSU UBU:ม.ป.ท. 2007.