| IHRA | isocapnic hyperventilation with room air |
|---|---|
| LAF | laminar air flow; Latin American female; leukocyte-activating factor; lymphocyte-activating factor |
| LAFR | laminar air flow room |
| LAFU | laminar air flow unit |
| LAL | left axillary line; Limulus amebocyte lysate; low air loss; lysosomal acid lipase |