TY - RPRT A1 - Groves, R.M. A1 - Benson, G. A1 - Mosher, W.D. A1 - Rosenbaum, J. A1 - Granda, P. A1 - Axinn, W. A1 - Lepkowski, J. A1 - Chandra, A. T1 - Plan and operation of Cycle 6 of the National Survey of Family Growth Y1 - 2005 PB - National Center for Health Statistics CY - Hyattsville IS - Vital and health statistics: series 1; 42; 67 pp. ER -