1. American College of Obstetricians and Gynecologists, 1988, 1990, 1992. Medicaid Reimbursement for Obstetric Care (Specialist) by State. ACOG, Washington, DC.
2. Blumberg, L.J., Dubay, L., Norton, S.A., 2000. Did the Medicaid expansions for children displace private insurance? An analysis using the SIPP. Journal of Health Economics, forthcoming.
3. Analysis of Binary Data;Cox,1970
4. Do children of immigrants make differential use of public health insurance;Currie,1999
5. Physician payments and infant mortality: evidence from Medicaid fee policy;Currie;American Economic Review,1995