{{cite journal | last1=Akhtar | first1=M. S. | author2=A. A. Farooq | author3=M. Mushtaq | year=2009 | title=SERUM TRACE MINERALS VARIATION DURING PRE AND POST-PARTUM PERIOD IN NILI-RAVI BUFFALOES | journal=Journal of Animal and Plant Sciences | volume=19 | issue=4 | pages=182-184 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2009-JAPS-403}}