1. Sweetman S. Martindale:,The Complete Drug Reference, 32th ed;The pharmaceutical press: London. U.K, Electronic version; 2007.
2. Hammad M, Omar M, Eltoukhi W. Pharm Anal Acta. 2016;7:2.
3. Ramu BK, Raghubabu K. Int J Pharm Biomed Sci. 2010;1:49.
4. Prashanth KN, Basavaiah K, Raghu MS. Int. J. Anal. Chem., 2013, 2013, 11.
5. Gondalia R, Dharamsi A. Int J Pharm Biomed Sci. 2010;1:24–6.