VENKATESH, V.; ELPHINE PRABAHAR, A.; VENKATA SURESH, P.; UMA MAHESWARI, Ch.; RAMA RAO, N. HPTLC Method for the Simultaneous Estimation of Etophylline and Theophylline in Tablet Dosage Form. Asian Journal of Chemistry, [S. l.], v. 23, n. 1, p. 309–311, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/10132. Acesso em: 23 jul. 2024.