1. A direct reading bilirubinometer for pediatric use;Walker,1969
2. Evaluation of a direct reading spectrophotometer for neonatal bilirubinometry;Levkoff;Amer. J. Clin. Path.,1970
3. Laboratory manual of pediatric micro- and ultramicrobiochemical techniques;O'Brien,1962
4. Clinical chemistry: Principles and techniques;Henry,1964
5. Subcommittee on Bilirubin Standards: Recommendations on a uniform bilirubin standard;Hsia;Pediatrics,1963