Selva kumar.D2A. R. B. D. B. K. “ANAYTICAL METHOD DEVEOPMENT AND VAIDATION OF BUTYLATED HYDROXYTOLUENE IN ROSUVASTATIN TABLETS BY USING RP-HPLC”. Journal of Biomedical and Pharmaceutical Research, Vol. 3, no. 5, Oct. 2014, http://www.jbpr.in/index.php/jbpr/article/view/306.