Retraction: 3D Printing of Bilineage Constructive Biomaterials for Bone and Cartilage Regeneration.

Adv. Funct. Mater.2017, 27, 1703117 DOI: 10.1002/adfm.201703117 The above article, first published online on 31 July 2017 in Wiley Online Library (https://doi.org/10.1002/adfm.201703117) and corrected on 19 March 2019 (https://doi.org/10.1002/adfm.201900376) has been retracted by agreement with the authors, the journal Editor‐in‐Chief, and Wiley‐VCH Verlag GmbH & Co. KGaA. The retraction has been agreed upon due to several flawed figures as published in the article, containing duplicate images, which calls the validity of these data into question. Reference C. Deng, Q. Yao, C. Feng, J. Li, L. Wang, G. Cheng, M. Shi, L. Chen, J. Chang, C. Wu, Adv. Funct. Mater.2017, 27, 1703117. [ABSTRACT FROM AUTHOR]