Bernd
No. 13891 [Reply] report
thumbnail of teachman on national survey of family growth.jpg
thumbnail of teachman on national survey of family growth.jpg
teachman on national... jpg
(73.5 KB, 666x692)
thumbnail of NAtional survey of family growth group virgins.jpg
thumbnail of NAtional survey of family growth group virgins.jpg
NAtional survey of... jpg
(53.07 KB, 580x581)
thumbnail of heritage foundation.jpg
thumbnail of heritage foundation.jpg
heritage foundation jpg
(55.86 KB, 633x360) 
https://www.cdc.gov/nchs/nsfg/nsfg_bibliography.htm