BHANDERI, B M, et al. “Effect of Supplementing Certain Vitamins and Chelated Trace Minerals on Reducing Incidence of Sub-Clinical Mastitis in Crossbred Cows”. The Indian Journal of Animal Sciences, vol. 85, no. 2, Feb. 2015, pp. 178–182, https://doi.org/10.56093/ijans.v85i2.46612.