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.
Abdouh et al. (2012) "Bmi1 is down-regulated in the aging brain and displays antioxidant and protective activities in neurons." PLoS ONE 7(2):e31870 (PubMed)