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.
Zhang et al. (2013) "Wnt/β-catenin signaling induces the aging of mesenchymal stem cells through promoting the ROS production." Mol. Cell. Biochem. 374(1-2):13-20 (PubMed)