| ARD | absolute reaction of degeneration; acute radiation disease; acute respiratory disease; adult respira... |
|---|---|
| CRD | carbohydrate-recognition domain; chronic renal disease; chronic respiratory disease; child restraint... |
| RD | radial deviation; radiology department; rate difference; Raynaud disease; reaction of degeneration; ... |
| LUL | left upper eyelid; left upper limb; left upper lobe; left upper lung |
| RUL | right upper eyelid; right upper lateral; right upper limb; right upper lobe |