Dr.Wasif S and Dr.Mohsin, “An observative study of comparison of efficacy and tolerability between atenolol and combination of amolodopine with atenolol in the maintence therapy of hypertension in a tertiary care hospital”, Int. J. of Res. in Pharmacology &Pharmacotherapeutics , vol. 6, no. 4, pp. 413-420, May 2021.