http://www.ncbi.nlm.nih.gov/pubmed/24188635 . O" b( [" w* N( z: Q) k( w杂志:Tissue Eng Part C Methods. 2014 Jun;20(6):473-84. doi: 10.1089/ten.TEC.2013.0335. Epub 2013 Dec 31. 3 w' D9 u) e# J3 Q9 @题目:Design and fabrication of human skin by three-dimensional bioprinting.