Chatterjee, P N, et al. “Influence of Duration of Prepartum and Postpartum Vitamin E Supplementation on Mastitis and Milk Yield in Crossbred Cows”. The Indian Journal of Animal Sciences, vol. 75, no. 5, May 2005, https://epubs.icar.org.in/index.php/IJAnS/article/view/9520.