Plan and operation of cycle 6 of the National Survey of Family Growth ; data from the program and collection procedures
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| 格式: | 圖書 | 
| 語言: | English | 
| 出版: | Hyatteville, MD
          National Center for Health Statistics
    
        2005. | 
| 主題: | 
| 其他作者: | |
|---|---|
| 格式: | 圖書 | 
| 語言: | English | 
| 出版: | Hyatteville, MD
          National Center for Health Statistics
    
        2005. | 
| 主題: |