| JCA | juvenile chronic arthritis |
|---|---|
| JRA | juvenile rheumatoid arthritis |
| MAA | macroaggregated albumin; Medical Assistance for the Aged; melanoma-associated antigen; moderate apla... |
| MACTAR | McMaster-Toronto arthritis and rehumatism [questionnaire] |
| NIADDK | National Institute of Arthritis, Diabetes, Digestive and Kidney Diseases |