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.
Zhang et al. (2008) "Serum FGF21 levels are increased in obesity and are independently associated with the metabolic syndrome in humans." Diabetes 57(5):1246-1253 (PubMed)