| HAP | Handicapped Aid Program; Hazardous Air Pollutants [List]; hazardous air pollution; health alliance p... |
|---|---|
| HAPC | high-amplitude peristaltic contraction; hospital-acquired penetration contact |
| HAPE | high-altitude pulmonary edema |
| HAR | high-altitude retinopathy |
| HARH | high-altitude retinal hemorrhage |