TY - GEN AU - BABAIANTS,E S TI - [Anatomy, histology, and histogenesis of valves in the umbilical vein] SN - 0004-1955 PY - 2003///0501 KW - Humans KW - Umbilical Cord KW - anatomy & histology KW - Umbilical Veins N1 - Publication Type: Journal Article ER -