| docInfo | Get details of documents |
| docSim | Similarity between articles |
| headingSetSim | Similarity between two MeSH heading sets |
| headingSim | Similarity between headings |
| MeshSimData | MeSH Dataset |
| mheadingSim | Similarity between heading lists |
| mnodeSim | Similarity between node lists |
| nodeInfo | Details of nodes |
| nodeSim | Similarity between nodes |
| termInfo | Details of MeSH terms |