[1]
“Comparative Evaluation of Bromhexine HCl Mucoadhesive Microspheres Prepared by Anionic, Cationic and Nonionic Polymers”, Bangla Pharma J, vol. 23, no. 2, pp. 117–124, Jul. 2020, doi: 10.3329/bpj.v23i2.48331.