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.
Da Cruz et al. (2003) "Angiotensin I-converting enzyme gene polymorphism in two ethnic groups living in Brazil's southern region: association with age." J. Gerontol. A Biol. Sci. Med. Sci. 58(9):M851-M856 (PubMed)