| HA | H antigen; Hakim-Adams [syndrome]; halothane anesthesia; Hartley [guinea pig]; headache; health alli... |
|---|---|
| HPAA | hydroperoxyarachidonic acid; hydroxyphenylacetic acid; hypothalamo-pituitary-adrenal axis |
| IA | ibotenic acid; immune adherence; immunoadsorbent; immunobiologic activity; impedance angle; indolami... |
| iRNA | immune ribonucleic acid; informational ribonucleic acid |
| KA | alkaline phosphatase; kainic acid; keratoacanthoma; keto acid; ketoacidosis; King-Armstrong [unit] |