| 其他書名 | Data from the National Health Survey. Series 12 |
| 出版 | U.S. Department of Health, Education and Welfare, Public Health Service, National Center for Health Statistics, 1970 |
| URL | http://books.google.com.hk/books?id=2L_YVKzGQtsC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |