You can search for any reference by title, author, date, editor, journal and publisher. Searching is case insensitive, and allows for only partial terms (e.g. seq with pickup both RNA-Seq and sequencing) matching. You can also use advanced queries that are detailed here.
Ding et al. (2007) "Genetic variation in the premature aging gene WRN: a case-control study on breast cancer susceptibility." Cancer Epidemiol. Biomarkers Prev. 16(2):263-269 (PubMed)