Animesh Kumar, Tarun Garg, Ganti S. Sarma, Goutam Rath, Amit Kumar Goyal, 

Department of Pharmaceutics, I.S.F. College of Pharmacy, Moga 142001, Punjab, India

Received 22 August 2014, Revised 29 December 2014, Accepted 26 January 2015,

Available online 10 February 2015

http://www.sciencedirect.com/science/article/pii/S0928098715000305