{{cite journal | last1=Mahmood | first1=S. A. | author2=A. Ijaz | author3=N. Ahmad | author4=H. U. Rehman | author5=H. Zaneb | author6=U. Farooq Semen Production Unit | author7=Karaniwala | author8=Bahawalpur | author9=Pakistan | year=2013 | title=STUDIES ON LIBIDO AND SERUM TESTOSTERONE CONCENTRATION OF CHOLISTANI AI BULLS UNDER STRESS FREE AND STRESSFUL SEASONS | journal=Journal of Animal and Plant Sciences | volume=23 | issue=6 | pages=1491-1495 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2013-JAPS-602}}