Figure 5
From: MeSH ORA framework: R/Bioconductor packages to support MeSH over-representation analysis

Data retrieval schema for the construction of MeSH.db and org.MeSH.XXX.db . MeSH.db uses the data for MeSH terms from NLM. org.MeSH.XXX.db uses the data from Gendoo, gene2pubmed and RBBH.