Puppi D., Piras A. M., Chiellini F., Chiellini E., Martins A., Leonor I. B., Neves N. M., and Reis R. L.,  "Optimized electro- and wet-spinning techniques for the production of polymeric fibrous scaffolds loaded with bisphosphonate and hydroxyapatite",  Journal of Tissue Engineering and Regenerative Medicine, vol. 5, issue 4, pp. 253-263, doi:10.1002/term.310, 2011.