Ghorbani,M , , Bahramian,H , , Hashemi Beni,B , , Karimi,Z , , Esmaeel,N , and Salehi,M . "Comparison of the Production of Extracellular Matrix in Nucleus Pulposus of Intervertebral Disc in Alginate and Chitosan-Gelatin Scaffolds", Journal of Isfahan Medical School, 31, 225, 2013, 82-91.