Establishment of an in vitro culture system of ectomesenchymal cells isolated from the first branchial arch  
Yan Zheng-bin, Hou Jing-qiu, Yan Xue-dan, Wang Tian-xiang, Liu Yi-song
Chinese Journal of Tissue Engineering Research . 2010, (32): 5983 -5987 .  DOI: 10.3969/j.issn.1673-8225.2010.32.020