| Abbreviation | Definition |
|---|---|
| JGS | Jewish Geriatric Services |
| JGV | Journal of General Virology |
| JHM | Jerky Head Movement |
| JHM | Journal of the History of Medicine and Allied Sciences |
| JIA | Juvenile Idiopathic Arthritis |
| JID | Journal of Infectious Diseases |
| JIM | Joints In Motion |
| JJ | Jaw Jerk |
| JJP | Jaw Joint Protector |
| JK | Janus kinase |
| JM | Juvenile Myositis |
| JME | Juvenile Myoclonic Epilepsy |
| JND | Just Noticeable Difference |
| JO | Jacobson Organ |
| JPAP | Journal of Physiology and Pathophysiology |
| JPM | Juvenile Polymyositis |
| JR | Just Right |
| JRA | Juvenile rheumatoid arthritis |
| JSM | Juvenile Stress Myopia |
| JSN | Joint Seminars in Neuroscience |