| Level/ Type |
Code |
Display Name |
Code System |
| 0‑L |
C2826346
|
Single Group Study (Research Activity)
|
Unified Medical Language System |
| 0‑L |
C2826345
|
Parallel Study (Research Study)
|
Unified Medical Language System |
| 0‑L |
C0150097
|
Cross-Over Studies (Research Activity)
|
Unified Medical Language System |
| 0‑L |
C2826344
|
Factorial Study (Research Study)
|
Unified Medical Language System |
| 0‑L |
C1705294
|
Sequential (Qualitative Concept)
|
Unified Medical Language System |
| 0‑L |
C0205394
|
Other (Qualitative Concept)
|
Unified Medical Language System |
| 0‑L |
C0439673
|
Unknown (Qualitative Concept)
|
Unified Medical Language System |
|