Maternal smoking and the timing of WIC enrollment /
| Main Author: | |
|---|---|
| Corporate Authors: | , |
| Other Authors: | , |
| Format: | Book |
| Language: | English |
| Published: |
Cambridge, MA :
National Bureau of Economic Research,
2009.
|
| Series: | NBER working paper series ;
no. 14728. |
| Subjects: |