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.
Tortorella et al. (1998) "Spontaneous and Fas-induced apoptotic cell death in aged neutrophils." J. Clin. Immunol. 18(5):321-329 (PubMed)