| HCA | D,L-Homocysteic acid |
|---|---|
| HCA | heterocyclic amine |
| HCA | Hydrocortisone acetate |
| HCA | Hydrophobic Cluster Analysis |
| HCA | Hypothermic circulatory arrest |
| HCA | hepatocellular adenoma |
| HCA II | Human carbonic anhydrase II |
| HCAEC | Human coronary artery endothelial cells |