| CRD | carbohydrate-recognition domain; chronic renal disease; chronic respiratory disease; child restraint... |
|---|---|
| IRDS | idiopathic respiratory distress syndrome; infant respiratory distress syndrome |
| LRI | lamina rara interna; lower respiratory [tract] illness; lower respiratory [tract] infection; lymphoc... |
| LRTI | lower respiratory tract illness; lower respiratory tract infection |
| MRV | minute respiratory volume; mixed respiratory vaccine |