FHID, D. O. Tri and Tetra Cyclic Theophylline Derivatives as a Potential Agents Acting on CNS and CVS An Overview. International Journal of Pharmaceutical & Biological Archive, [S. l.], v. 3, n. 3, 2012. Disponível em: http://ijpba.info/index.php/ijpba/article/view/661. Acesso em: 27 jul. 2024.