Ritu A Mathew, Samuel Johnson, Shalumol Jose, Shampa Chakraborty, Kenneth N, and Veeranna Gowda, “A comparative study of monotherapy versus combination therapy in patients with stage-1 hypertension in terms of efficacy and cost effectiveness and to assess the medication adherence”, Int. J. Res. Pharm. Sci., vol. 9, no. 1, pp. 147–153, Mar. 2018.