Joshi, S. J., Karbhari, P. A., Bhoir, S. I., Bindu, K. S., & Das, C. (2010). RP-HPLC method for simultaneous estimation of bisoprolol fumarate and hydrochlorothiazide in tablet formulation. Journal of Pharmaceutical and Biomedical Analysis, 52(3), 362–371. doi:10.1016/j.jpba.2009.10.021