RT Journal T1 A negative pressure drainage device for dermal dilatation of microtia in the second phase of auricular reconstruction surgery A1 SU Faren, LIU Yuhong, BO Lin, LIU Xingang PB Journal of Otolaryngology and Ophthalmology of Shandong University FD YR 2020 JF Journal of Otolaryngology and Ophthalmology of Shandong University JO Journal of Otolaryngology and Ophthalmology of Shandong University VO 34 IS 3 SP 125 DO 10.6040/j.issn.1673-3770.0.2019.551 K1 Negative pressure drainage;Congenital microtia;Auricular reconstruction LK {http://ebhyxbwk.njournal.sdu.edu.cn/EN/article/article_2712.shtml}