H. Pisestyani, M. B Sudarwanto, R. Wulansari, and A. Atabany, “Subclinal Hypocalcaemia as a Predisposing Factor of Subclinical Mastitis in Dairy Cow in West Java Province, Indonesia”, IJSBAR, vol. 31, no. 1, pp. 288–298, Jan. 2017.