Stability-indicating RP-HPLC method for simultaneous estimation of levosalbutamol sulfate and theophylline in combined dosage form . Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 49, n. 3, p. 475–490, 2013. DOI: 10.1590/S1984-82502013000300009. Disponível em: https://www.revistas.usp.br/bjps/article/view/68979.. Acesso em: 18 may. 2024.