Unified Medical Language System® (UMLS®)
MedDRA Portuguese Source Information
This is the Portuguese translation of the Medical Dictionary for Regulatory Activities (MedDRA).
For more information about MedDRA in the Metathesaurus, see the MedDRA source synopsis.
Metathesaurus Update Frequency
The Portuguese translation of MedDRA is updated twice per year in the Metathesaurus, in conjunction with MedDRA.