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Lin YH, Liang CC, Lo TS, Soong YK, Chang SD, Chang YL.Lin YH, et al. Among authors: chang yl, chang sd.Aust N Z J Obstet Gynaecol. 2005 Aug;45(4):304-7. doi: 10.1111/j.1479-828X.2005.00416.x.Aust N Z J Obstet Gynaecol. 2005.PMID: 16029297