Please cite G. Yu (2018) for using meshes. In addition, please cite G.
Yu (2012) when using clusterProfiler, G. Yu (2015) when using DOSE.

  Guangchuang Yu. Using meshes for MeSH term enrichment and semantic
  analyses. Bioinformatics 2018, 34(21):3766–3767,
  doi:10.1093/bioinformatics/bty410

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Using meshes for MeSH term enrichment and semantic analyses},
    author = {Guangchuang Yu},
    journal = {Bioinformatics},
    year = {2018},
    volume = {34},
    number = {21},
    pages = {3766-3767},
    pmid = {29790928},
    doi = {10.1093/bioinformatics/bty410},
  }