| JAS | Jenkins Activity Survey; juvenile ankylosing spondylitis |
|---|---|
| MAPS | Make a Picture Story [test]; Multidimensional Affect and Pain Survey |
| MS | Maffuci syndrome; maladjustment score; mandibular series; Marfan syndrome; Marie-Strumpell [syndrome... |
| NAMCS | National Ambulatory Medical Care Survey |
| NASHS | National Adolescent Student Health Survey |