Fertility and the personal exemption: implicit pronatalist policy in the United States.
Whittington
L A
LA
Alm
J
J
Peters
H E
HE
D003710:Demography; D004470:Economics, Medical / Q000266:history*; D049711:History, Modern 1601-; D013223:Statistics as Topic / Q000266:history*; D014481:United States