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.
Ershler and Keller (2000) "Age-associated increased interleukin-6 gene expression, late-life diseases, and frailty." Annu. Rev. Med. 51:245-270 (PubMed)