| PAT | Pain Apperception Test; paroxysmal atrial tachycardia; patient; phenylaminotetrazole; physical abili... |
|---|---|
| XL | excess lactate; X-linked [inheritance]; xylose-lysine [agar base] |
| XLD | xylose-lysine-deoxycholate [agar] |
| Xyl | xylose |
| CAT | California Achievement Test; capillary agglutination test; catalase; cataract; catecholamine; Childr... |