1. Varshosaz J, Ghafghazi T, Raisi A, Falamarzian M: Biopharmaceutical characterization of oral theophylline and aminophylline tablets. Quantitative correlation between dissolution and bioavailability studies. Eur J Pharm Biopharm. 2000 Sep;50(2):301-6. doi: 10.1016/s0939-6411(00)00074-6. [PubMed:10962242 ]