1. List the age-specific causes of liver disease in neonates, infants, older children, and adolescents. 2. Explain why fractionation of serum bilirubin is necessary in infants who remain jaundiced after 2 weeks of age. 3. Characterize the syndrome of “neonatal hepatitis” and explain how it differs from viral hepatitis. 4. Characterize biliary atresia and identify findings from the history, phys...