1. Catheterization of umbilical vessels in newborn infants;Kitterman;Pediatr Clin North Am,1970
2. Umbilical artery catheterization in the newborn;Gupta;Arch Dis Child,1968
3. Thrombotic complications of umbilical artery catheters: A clinical and radiography study;Goetzman;Pediatrics,1975
4. Umbilical artery catheterization: Demonstration of arterial thrombosis by aortography;Neal;Pediatrics,1972
5. Thrombus formation after umbilical arterial catheterizations;Olinsky;S Afr Med J,1975