Wanida Watbamrungsakul และ Suyanee Pongthananikorn. (2008) Influence of production environment on sterility of parenteral nutrition admixtures at Ramathibodi Hospital. Chulalongkorn University:ม.ป.ท.Wanida Watbamrungsakul และ Suyanee Pongthananikorn. 2008. Influence of production environment on sterility of parenteral nutrition admixtures at Ramathibodi Hospital. ม.ป.ท.:Chulalongkorn University;Wanida Watbamrungsakul และ Suyanee Pongthananikorn. Influence of production environment on sterility of parenteral nutrition admixtures at Ramathibodi Hospital. ม.ป.ท.:Chulalongkorn University, 2008. Print.