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 (1993) "Interleukin-6: a cytokine for gerontologists." J Am Geriatr Soc 41(2):176-181 (PubMed)