Al Machot, E., Hoffmann, T., Lorenz, K., Khalili, I., & Noack, B. (2014). Clinical Outcomes after Treatment of Periodontal Intrabony Defects with Nanocrystalline Hydroxyapatite (Ostim) or Enamel Matrix Derivatives (Emdogain): A Randomized Controlled Clinical Trial. Hindawi Publishing Corporation.

Al Machot, Elyan, Thomas Hoffmann, Katrin Lorenz, Ihssan Khalili, و Barbara Noack. Clinical Outcomes After Treatment of Periodontal Intrabony Defects With Nanocrystalline Hydroxyapatite (Ostim) or Enamel Matrix Derivatives (Emdogain): A Randomized Controlled Clinical Trial. Hindawi Publishing Corporation, 2014.

Al Machot, Elyan, et al. Clinical Outcomes After Treatment of Periodontal Intrabony Defects With Nanocrystalline Hydroxyapatite (Ostim) or Enamel Matrix Derivatives (Emdogain): A Randomized Controlled Clinical Trial. Hindawi Publishing Corporation, 2014.