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.
Grzeszczak and Misztalski (2002) "[Is insertion/deletion polymorphism angiotensin-converting enzyme gene responsible for long-life?]." Prz. Lek. 59(2):79-83 (PubMed)