Teerapol Srichana,Nimit Worakul. 1993. Theophylline controlled release with sodium alginate. Songkhla:Prince of Songkla Univesity;
Teerapol Srichana,Nimit Worakul. (1993) Theophylline controlled release with sodium alginate. Prince of Songkla Univesity:Songkhla.
Teerapol Srichana,Nimit Worakul. Theophylline controlled release with sodium alginate. Songkhla:Prince of Songkla Univesity, 1993. Print.
Teerapol Srichana,Nimit Worakul. (1993) Theophylline controlled release with sodium alginate. Prince of Songkla Univesity:Songkhla.