| PAT | Pain Apperception Test; paroxysmal atrial tachycardia; patient; phenylaminotetrazole; physical abili... |
|---|---|
| CAT | California Achievement Test; capillary agglutination test; catalase; cataract; catecholamine; Childr... |
| TAT | tetanus antitoxin; thematic apperception test; thematic aptitude test; thrombin-antithrombin complex... |
| HA | H antigen; Hakim-Adams [syndrome]; halothane anesthesia; Hartley [guinea pig]; headache; health alli... |
| HA2 | hemadsorption virus 2 |