WASET
    Samad Lotfollahzadeh,  Effect of Parenteral Administration of Vitamin A in Late Pregnant Cows on Vitamin A Status of Neonatal Calves.   journal   = {International Journal of Animal and Veterinary Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2015, vol. 108(12). 1257 - 1260
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10003129.