| HXIS | hard x-ray imaging spectrometry |
|---|---|
| KUB | kidneys and upper bladder; [x-ray examination of the] kidneys, ureter, and bladder |
| K-XRF | K x-ray fluorescence |
| L-XRF | L x-ray fluorescence |
| MMR | mass miniature radiography; masseter muscle rigidity; maternal mortality rate; measles-mumps-rubella... |