{{cite journal | last1=Ali | first1=M. | author2=B. Muneer | author3=T. Yaqub | author4=S. F. Rehmani | author5=M. Naeem | year=2016 | title=EVALUATION OF CROSS PROTECTION AGAINST AVIAN INFLUENZA VIRUS (AIV) AND NEWCASTLE DISEASE VIRUS (NDV) IN BROILER CHICKENS AFTER VACCINATION IN PAKISTAN | journal=Journal of Animal and Plant Sciences | volume=26 | issue=2 | pages=431-436 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2016-JAPS-59}}