| 其他書名 | Approved by the Conference of State and Provincial Officers of Health, and Recommended to the Several States for Adoption May 25, 1920, and Amended June 2, 1921 ... May 16, 1924 |
| 出版 | U.S. Government Printing Office, 1924 |
| URL | http://books.google.com.hk/books?id=k_EfAQAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |