{{cite journal | last1=Khan | first1=M. A. | author2=M. S. Khan | author3=M. Shafee | author4=J. A. Khan | year=2010 | title=PREVALENCE AND CHEMOTHERAPY OF HELMINTHIASIS IN PARROTS AT LAHORE ZOO, PAKISTAN | journal=Journal of Animal and Plant Sciences | volume=20 | issue=3 | pages=189-192 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2010-JAPS-311}}