Use the filter function to narrow down the selection by region, income, publication type and/or other criteria.
Ringel, J.S., Wasserman, J., Andreyeva, T. 2005
Evans, W.N., Ringel, J.S. 2001
Evans, W.N., Ringel, J.S. 1999
Evans, W.N., Ringel, J.S., Stech, D. 1999