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.
Gu et al. (2014) "Heterozygous knockout of the Bmi-1 gene causes an early onset of phenotypes associated with brain aging." Age (Dordr) 36(1):129-139 (PubMed)