TY - RPRT A1 - Johnson, D.R. A1 - McQuillan, J. A1 - Jacob, M.C. A1 - Greil, A.L. A1 - Lacy, N. A1 - Scheuble, L.K. A1 - Johnson, K. A1 - Shreffler, K. A1 - Young, R. T1 - National survey of fertility barriers: Methodology report for wave 1 Y1 - 2009 PB - University of Nebraska CY - Lincoln IS - BOSR working paper 04/2009 ER -