| 其他書名 | Data from the National Vital Statistics System. Series 20 |
| 出版 | U.S. Department of Health, Education, and Welfare, Public Health Service, 1993 |
| ISBN | 08406046889780840604682 |
| URL | http://books.google.com.hk/books?id=3oRlkN6l284C&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |