TY - GEN AU - Biernacka,E AU - Gross,R AU - NiwiƄska,E TI - [Catheterization of the umbilical vein in portal hypertension in children] SN - 0031-3939 PY - 1966///0410 KW - Adolescent KW - Catheterization KW - Child KW - Humans KW - Hypertension, Portal KW - diagnosis KW - Infant KW - Umbilical Veins N1 - Publication Type: Journal Article ER -