Poompat Chumchia และ Paitoon Kaipornsak. (1999) Cost analysis of diabetic outpatients of health card holders and non-health card holders in Sena Hospital. Chulalongkorn University.:ม.ป.ท.Poompat Chumchia และ Paitoon Kaipornsak. 1999. Cost analysis of diabetic outpatients of health card holders and non-health card holders in Sena Hospital. ม.ป.ท.:Chulalongkorn University.;Poompat Chumchia และ Paitoon Kaipornsak. Cost analysis of diabetic outpatients of health card holders and non-health card holders in Sena Hospital. ม.ป.ท.:Chulalongkorn University. 1999. Print.