Yewle, J., Wei, Y., Puleo, D., Daunert, S., & Bachas, L. (2012). Oriented immobilization of proteins on hydroxyapatite surface using bifunctional bisphosphonates as linkers. Biomacromolecules, 13(6), 1742-9. https://doi.org/10.1021/bm201865r (Original work published 2012)