Nutchanok Boonmuang และ Boosaba Sanguanprasit. (2004) Prevalence rate and factors related to nosocomial urinary tract infection of indwelling catheterized patients in Thungsong Hospital, Nakhon Si Thummarat Province. Chulalongkorn University:ม.ป.ท.Nutchanok Boonmuang และ Boosaba Sanguanprasit. 2004. Prevalence rate and factors related to nosocomial urinary tract infection of indwelling catheterized patients in Thungsong Hospital, Nakhon Si Thummarat Province. ม.ป.ท.:Chulalongkorn University;Nutchanok Boonmuang และ Boosaba Sanguanprasit. Prevalence rate and factors related to nosocomial urinary tract infection of indwelling catheterized patients in Thungsong Hospital, Nakhon Si Thummarat Province. ม.ป.ท.:Chulalongkorn University, 2004. Print.