| HFRS | Hemorrhagic Fever with Renal Syndrome [HP 849-50] = Korean Hemorrhagic Fever &nbs... |
|---|---|
| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
| MJ | Machado-Joseph [disease]; marijuana; megajoule |
| MJAD | Machado-Joseph Azorean disease |
| MJD | Machado-Joseph disease; Mseleni joint disease |