@article{neelakantan p2012vitro,
  title={In vitro Biocompatibility Tests of Glass Ionomer Cements
Impregnated with Collagen or Bioactive glass to Fibroblasts},
  author={subbarao c,neelakantan p,subbarao cv},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={36},
  number={3},
  pages={269--274},
  doi = {10.17796/jcpd.36.3.gk80547w04504144},
  year={2012}
}