Xu, H. H. K., Weir, M. D., Sun, L., Ngai, S., Takagi, S., & Chow, L. C. (2009). Effect of filler level and particle size on dental caries-inhibiting Ca–PO4 composite. Journal of materials science. Materials in medicine, 20(8), 1771-1779. https://doi.org/10.1007/s10856-009-3740-2
Chicago Style (17th ed.) CitationXu, Hockin H. K., Michael D. Weir, Limin Sun, Scott Ngai, Shozo Takagi, and Laurence C. Chow. "Effect of Filler Level and Particle Size on Dental Caries-inhibiting Ca–PO4 Composite." Journal of Materials Science. Materials in Medicine 20, no. 8 (2009): 1771-1779. https://doi.org/10.1007/s10856-009-3740-2.
MLA (9th ed.) CitationXu, Hockin H. K., et al. "Effect of Filler Level and Particle Size on Dental Caries-inhibiting Ca–PO4 Composite." Journal of Materials Science. Materials in Medicine, vol. 20, no. 8, 2009, pp. 1771-1779, https://doi.org/10.1007/s10856-009-3740-2.