WASET
    Mayada Alqaisi and  Nasser Al-Shanti and  Quiyu Wang and  William S. Gilmore,  Enhanced Differentiation of Stromal Cells and Embryonic Stem Cells with Vitamin D3.   journal   = {International Journal of Medical and Health Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2013, vol. 81(9). 542 - 549
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/16620.