Supaporn Tharahirunchot และ Ketchada Uerpairojkit. (2010) Effect of noise block using earplugs on propofol sedation requirement during extracorporeal shock wave lithotripsy. Chulalongkorn University:ม.ป.ท.Supaporn Tharahirunchot และ Ketchada Uerpairojkit. 2010. Effect of noise block using earplugs on propofol sedation requirement during extracorporeal shock wave lithotripsy. ม.ป.ท.:Chulalongkorn University;Supaporn Tharahirunchot และ Ketchada Uerpairojkit. Effect of noise block using earplugs on propofol sedation requirement during extracorporeal shock wave lithotripsy. ม.ป.ท.:Chulalongkorn University, 2010. Print.