TY - Front. Med. A1 - Abdelmonem A. Hegazy T1 - Anatomy and embryology of umbilicus in newborns: a review and clinical correlations Y1 - 2016-08-30 JF - Frontiers of Medicine JO - Front. Med. SP - 271 EP - 277 VL - 10 IS - 3 UR - https://journal.hep.com.cn/fmd N1 - 10.1007/s11684-016-0457-8 ER -