| 其他書名 | A Case Study in Philadelphia, by Leon V. Hirsch [et Al.] Dorothy Wilson, Principal Investigator |
| 出版 | Department of Public Health Nursing of the National League for Nursing, 1967 |
| URL | http://books.google.com.hk/books?id=k-yjtAEACAAJ&hl=&source=gbs_api |