1. Who gets amniocentesis?;Bernhardt,1982
2. Bureau of Labor Statistics 1997 Economy at a Glance: Labor Market http://www.bls.gov/eag.table.html
3. Chicago Department of Public Health 1994 Community Area Health Inventory, Volume I: Demographic and Health Profiles 86 87
4. Chicago Department of Public Health 1997 A Comparison of Chicago Health Measures with United States Year 2000 Goals 51 59
5. An assessment of ethnocultural beliefs regarding the causes of birth defects and genetic disorders;Cohen;J Genet Counsel,1998