| LR | labeled release; laboratory references; laboratory report; labor room; lactated Ringer [solution]; l... |
|---|---|
| LRS | lactated Ringer solution; lateral recess stenosis; lateral recess syndrome; low rate of stimulation;... |
| RL | radial line; radiation laboratory; reduction level; renal dysplasia-limb defects [syndrome]; resisti... |
| RLS | recursive least square; restless leg syndrome; Ringer lactate solution; Roussy-Levy syndrome |
| RS | radioscaphoid; random sample; rating schedule; Raynaud syndrome; recipient's serum; rectal sinus; re... |
retrogasserian neurotomy (가세르 신경절 후근 절단술
| Z-tract injection | A technique in which the skin and subcutaneous tissue are displaced laterally before inserting the needle intramuscularly; used to prevent leakage along the track of the needle and consequent tissue irritation. (05 Mar 2000) |
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| flow injection analysis | The analysis of a chemical substance by inserting a sample into a carrier stream of reagent using a sample injection valve that propels the sample downstream where mixing occurs in a coiled tube, then passes into a flow-through detector and a recorder or other data handling device. (12 Dec 1998) |