| HPA | Hypothalamus-pituitary-adrenal |
|---|---|
| HPA | hybridization protection assay |
| HPA | hypothalamic pituitary axis |
| HPA | hypothalamo-pituitary adrenal axis |
| HPA | hypothalamus-pituitary-adrenocortical |
| HPA-AXIS | hypothalamic pituitary adrenal axis |
| HPAA | hypothalamic pituitary adrenal axis |
| HPAEC | High-performance anion-exchange chromatography |
| HPAEC | human pulmonary artery endothelial cell |
| HPAEC | high pH anion exchange chromatography |