M. Areekijseree and  W. Pongsawat and  M. Pumipaiboon and  C. Thepsithar and  S. Sengsai and  T. Chuen-Im,  Morphological Interaction of Porcine Oocyte and Cumulus Cells Study on in vitro Oocyte Maturation Using Electron Microscopy.   journal   = {International Journal of Bioengineering and Life Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2015, vol. 100(4). 395 - 398
    [viewed 20 September 2020]. Available from: https://publications.waset.org/pdf/10001079.