Volume: 53 Issue: 9
| 1. Current pharmacological management of chronic pain. | Page:815—823 |
| 2. Diagnosis and treatment of headache in primary practice: a brief review. | Page:807—814 |
| 3. Clinical trials and ethics. | Page:774—779 |
| 4. Medical device clinical trial. | Page:769—773 |
| 5. Advances in clinical trials technologies. | Page:761—768 |
| 6. Single port laparoscopic surgery. | Page:793—806 |
| 7. Diagnosis and treatment of allergic rhinitis. | Page:780—790 |
| 8. New drug development and clinical trial. | Page:753—760 |
| 9. Current state of clinical trials in Korea. | Page:745—752 |
| 10. Clinical research: present and future. | Page:744—744 |
| 11. Clinical research and patient protection. | Page:736—738 |