{{cite journal | last1=Rahman | first1=S. | author2=A. Ahmad | author3=S. Bhatti | year=2006 | title=COMPARATIVE GROWTH PROMOTING EFFICACY OF FETAL CALF SERUM (FCS) FOR BABY BAMSTER KIDNEY-21 (BHK-21) CELL LINE | journal=Journal of Animal and Plant Sciences | volume=16 | issue=2 | pages=NA | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2006-JAPS-215}}