Rein DB, Hicks KA, Wirth KE, Billah K, Finelli L, Fiore AE, Hoerger TJ, Bell BP, Armstrong GL. Cost-effectiveness of routine childhood vaccination for hepatitis A in the United States. Pediatrics. 2007 Jan 1;119(1):e12-21.
Armstrong GL, Billah K, Rein DB, Hicks KA, Wirth KE, Bell BP. The economics of routine childhood hepatitis A immunization in the United States: the impact of herd immunity. Pediatrics. 2007 Jan 1;119(1):E22-9.