(1)
Senthamil Selvan, P.; Gopinath, R.; Saravanan, V.; Gopal, N. Simultaneous Estimation of Levocetirizine, Ambroxol, Phenylpropanolamine and Paracetamol in Combined Dosage Forms by RP-HPLC Method. ajc 2010, 18, 2591-2596.