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.
Xia et al. (2003) "Effect of six candidate genes on early aging in a French population." Aging Clin Exp Res 15(2):111-116 (PubMed)