TY - RPRT TI - Evaluation of Open Hollow Hydroxyapatite Microsphere on Bone Regeneration in Rat Calvarial Defects AU - Shen, Y. AU - Rahaman, M. N. AU - Liu, Y. AU - Huang, Y.-W. PY - 2019 DO - 10.1101/669598 UR - https://www.biorxiv.org/content/10.1101/669598v1 ID - 10.1101/669598 ER -