(1)
Suraseranivongse, S.; Valairucha, S.; Laohapensang, M.; Ruangtrakul, R.; Saleepanth, S.; Kaosaard, R.; Sirirutbunkajal, P. Comparison of Morphine Given by An Intravenous Sliding Scale or by Intramuscular Route for Postoperative Pain Relief in Pediatric Patients : An Interim Analysis. Siriraj Med J 2003, 55, 465-472.