@article{jenabian_haghanifar_maboudi_bijani_2013,  title={Clinical and radiographic evaluation of Bio-Gen with
               biocollagen compared with Bio-Gen with connective tissue in the treatment of class II
               furcation defects: a randomized clinical trial},  volume={21},  ISSN={1678-7757},  url={https://doi.org/10.1590/1679-775720130113},  DOI={10.1590/1679-775720130113},  number={5},  journal={Journal of Applied Oral Science},  publisher={Faculdade De Odontologia De Bauru - USP},  author={Jenabian, Niloofar and Haghanifar, Sina and Maboudi, Avideh and Bijani, Ali},  year={2013},  month={Sep},  pages={422–429} }