Awasda Changpetch และ Surasak Taneepanichskul. (2009) Prevalence and factors associated with late referral to nephrologist in chronic kidney disease patients. Chulalongkorn University:ม.ป.ท.Awasda Changpetch และ Surasak Taneepanichskul. 2009. Prevalence and factors associated with late referral to nephrologist in chronic kidney disease patients. ม.ป.ท.:Chulalongkorn University;Awasda Changpetch และ Surasak Taneepanichskul. Prevalence and factors associated with late referral to nephrologist in chronic kidney disease patients. ม.ป.ท.:Chulalongkorn University, 2009. Print.