Farnaz Malik1, Tahira Mirza1, Humayun Riaz2, Abdul Hameed3 and Shahzad Hussain1
1Drugs Control and Traditional Medicines Division, National Institute of Health, Islamabad-45500, Pakistan.
2School of Pharmacy, Punjab University, Lahore-Pakistan.
3Quaid-e Azam University, Islamabad, Pakistan.
