| Title | Author | Notes |
|---|---|---|
| Keane, John | (MDConsult -- Unlimited Access) | |
| National Center for Biotechnology Information (U.S.) | (NCBI Bookshelf) | |
| Kliegman, Robert | (MDConsult -- Unlimited Access) | |
| Kenner, Carole | (NursingConsult) | |
| Purves, Dale | (NCBI Bookshelf) | |
| National Institutes of Health (U.S.) | (NCBI Bookshelf) | |
| Bulechek, Gloria | (NursingConsult) | |
| Moorhead, Sue | (NursingConsult) | |
| Lanham-New, Susan | (MyiLibrary - Limited Simultaneous users. Try again later if refused.) |


