Publisher
- Elsevier4
- Elsevier/Saunders3
- Springer3
- Wolters Kluwer Health3
- Lippincott Williams and Wilkins, a Wolters Kluwer business2
- Mosby2
- Pearson2
- BIOS1
- Butterworth-Heinemann1
- CRC Press1
- Churchill Livingstone1
- Elsevier/Mosby1
- John Wiley & Sons Ltd1
- LWW1
- Mosby/Elsevier1
- Saunders/Elsevier1
- Wiley/Blackwell1
- Wolters Kluwer1
- Wolters Kluwer Health/Lippincott Williams & Wilkins1