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.
Chen et al. (2008) "Circulating FGF-21 levels in normal subjects and in newly diagnose patients with Type 2 diabetes mellitus." Exp. Clin. Endocrinol. Diabetes 116(1):65-68 (PubMed)