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.
Wade (2002) "Aging and neural control of the GI tract. I. Age-related changes in the enteric nervous system." Am. J. Physiol. Gastrointest. Liver Physiol. 283(3):G489-G495 (PubMed)