A. S. Abbas1 M. H. Abbasi1,2 ; Ihtzaz A. Malik3and N. Sheikh1
1Department of Zoology, University of the Punjab, Q-A Campus, Lahore, 54590, Pakistan.
2Department of Zoology, Govt. Science College Wahdat Road, Lahore, Pakistan.
3Department of Internal Medicine, Division of Gastroenterology, University of Medicine, Goettingen, 37075, Germany