A subscription-based product of the International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH), MedDRA or Medical Dictionary for Regulatory Activities is a clinically validated international medical terminology dictionary-thesaurus used by regulatory authorities and the biopharmaceutical industry during the regulatory process, from pre-marketing (clinical research phase 0 to phase 3) to post-marketing activities (pharmacovigilance or clinical research phase 4), and for safety information data entry, retrieval, evaluation, and presentation. Also, it is the adverse event classification dictionary. More information...
According to PR-model, meddra.org is ranked 311,319th in multilingual Wikipedia, in particular this website is ranked 190,913th in English Wikipedia.
The website is placed before yiddishradioproject.org and after metrotunnel.vic.gov.au in the BestRef global ranking of the most important sources of Wikipedia.