M. H. Rajikin and  S. M. M. Syairah and  A. R. Sharaniza,  Effects of Supplementation with Annatto (Bixa orellana)-Derived δ-Tocotrienol on the Nicotine-Induced Reduction in Body Weight and 8-Cell Preimplantation Embryonic Development in Mice.   journal   = {International Journal of Biotechnology and Bioengineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2015, vol. 103(7). 795 - 798
    [viewed 20 September 2020]. Available from: https://publications.waset.org/pdf/10002216.