1. Mortality risk of exchange transfusion;Weldon;Pediatrics,1968
2. Portal hypertension—a complication of umbilical vein catheterisation;Oski;Pediatrics,1963
3. The gastrointestinal complications of neonatal umbilical venous exchange transfusion: a clinical and experimental study;Touloukian;Pediatrics,1973
4. Percutaneous catheterisation of the radial artery in the critically ill neonate;Todres;J Pediatr,1975
5. Spectrophotometric method for quantitative plasma hemoglobin resulting from acute haemolysis;Porter;J Lab Clin Med,1962