URI(s)
Variants
- NTRDA
- N.T.R.D.A.
Identifies LC/NAF RWO
Identifies RWO
Additional Related Forms
Exact Matching Concepts from Other Schemes
Closely Matching Concepts from Other Schemes
Sources
- found: Chronic obstructive pulmonary disease 1972
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1982-05-17: new
- 2014-05-29: revised
Alternate Formats