| MR | Maddox rods; magnetic resistance; magnetic resonance; mandibular reflex; mannose-resistant; may repe... |
|---|---|
| PMR | patient meta-record; perinatal mortality rate; periodic medical review; physical medicine and rehabi... |
| IMR | individual medical record; infant mortality rate; infant mortality risk; Institute for Medical Resea... |
| AR | absolute risk; accounts receivable; achievement ratio; actinic reticuloid [syndrome]; active resista... |
| L/S | lactase/sucrase [ratio]; lecithin/ sphingomyelin [ratio]; lipid/saccharide [ratio]; longitudinal sec... |