{{cite journal | last1=Zhang | first1=Z.W. | author2=N. Qiao | author3=F. Yang | author4=J.C. Deng | author5=K.X. Huang | author6=Y.Y. Yang | author7=Q.W. Li | author8=H. Zhang | author9=Y. Li | year=2021 | title=EFFECT OF 25-HYDROXYVITAMIN D3 AND DIVALENT CALCIUM ION SUPPLEMENTATION IN SOWS' DIETS ON TRACE ELEMENTS IN BLOOD AND MILK | journal=Journal of Animal and Plant Sciences | volume=32 | issue=1 | pages=25-32 | doi=10.36899/JAPS.2022.1.0398 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=AS-20-0100}}