{{cite journal | last1=Ahmad | first1=A. | author2=M. Rabbani | author3=T. Yaqoob | author4=A. Ahmad | author5=M. Z. Shabbir | author6=F. Akhtar | year=2008 | title=STATUS OF IGG ANTIBODIES AGAINST MYCOPLASMA GALLISEPTICUM IN NON-VACCINATED COMMERCIAL POULTRY BREEDER FLOCKS | journal=Journal of Animal and Plant Sciences | volume=18 | issue=3 | pages=NA | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2008-JAPS-301}}