Elaheh Jooybar and  Mohammad J. Abdekhodaie and  Marcel Karperien and  Pieter J. Dijkstra,  Delivery of Positively Charged Proteins Using Hyaluronic Acid Microgels.   journal   = {International Journal of Health and Medical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2018, vol. 143(11). 537 - 540
    [viewed 16 December 2019]. Available from: https://publications.waset.org/pdf/10009787.