dbVar and DGVa: public archives for genomic structural variation. - Ilkka Lappalainen; John Lopez; Lisa Skipper; Timothy Hefferon; J. Dylan Spalding; John Garner; Chao Chen; Michael Maguire; Matthew Corbett; George Zhou; Justin E. Paschall; Victor Ananiev; et al. (Nucleic Acids Res., 2013)

tmVar 2.0: integrating genomic variant information from literature with dbSNP and ClinVar for precision medicine. - Chih-Hsuan Wei; Lon Phan; Juliana Feltz; Rama Maiti; Tim Hefferon; Zhiyong Lu (Bioinform., 2018)

Database resources of the National Center for Biotechnology Information. - Eric W. Sayers; Richa Agarwala; Evan Bolton; J. Rodney Brister; Kathi Canese; Karen Clark; Ryan Connor; Nicolas Fiorini; Kathryn Funk; Timothy Hefferon; J. Bradley Holmes; Sunghwan Kim 002; et al. (Nucleic Acids Res., 2019)