Corrigendum to "First trimester combined test for Down syndrome screening in unselected pregnancies - A report of a 13-year experience" [Taiwan J Obstet Gynecol 52 (4) (2013) 523-526]
1 Department of Obstetrics and Gynecology, Cathay General Hospital, Taipei, Taiwan.
2 Department of Obstetrics and Gynecology, Cathay General Hospital, Taipei, Taiwan; Department of Obstetrics and Gynecology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
3 Department of Obstetrics and Gynecology, Cathay General Hospital, Hsinchu Branch, Hsinchu, Taiwan.
4 Department of Obstetrics and Gynecology, Cathay General Hospital, Taipei, Taiwan; School of Medicine, Fu Jen Catholic University, Taipei, Taiwan; Department of Obstetrics and Gynecology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan. Electronic address: mstsai@cgh.org.tw.