SREEKANTH, N., et al. “Simultaneous Estimation and Validation of Rampiril, Losartan Potassium and Hydrochlorothiazide by RP-HPLC in Pure and Pharmaceutical Dosage Form”. Asian Journal of Chemistry, vol. 19, no. 4, Mar. 2010, pp. 2850-6, https://asianpubs.org/index.php/ajchem/article/view/13389.