| OUBR | oubain resistance |
|---|---|
| PDR | pediatric radiology; peripheral diabetic retinopathy; Physicians' Desk Reference; postdelivery room;... |
| PRTH | pituitary resistance to thyroid hormone |
| PRU | peripheral resistance unit |
| PTR | patellar tendon reflex; patient termination record; patient to return; peripheral total resistance; ... |
| left superior pulmonary vein | The vein returning oxygenated blood from the left superior lobe of the lung to the left atrium. Synonym: vena pulmonalis superior sinistra. (05 Mar 2000) |
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