| 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... |
| MRBC | monkey red blood cell; mouse red blood cell |
| NRBC | National Rare Blood Club; normal red blood cell; nucleated red blood cell |