Figure 1.
Relational database schema. Note: UMLS – Unified Medical Language System. CUI – Concept Unique Identifier. MeSH – Medical Subject Heading. PK – Primary Key. FK – Foreign Key
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.