| NCIC | CTG National Cancer Institute of Canada Clinical Trial Group |
|---|---|
| NOTT | nocturnal oxygen therapy trial |
| OMERACT | Outcome Measures in Rheumatoid Arthritis Clinical Trial |
| PREDICT | Prospective Randomized Evaluation of Diltiazem CD Trial |
| PRT | Penicillium roqueforti toxin; pharmaceutical research and testing; phosphoribosyl transferase; posto... |