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.
Stephan et al. (1998) "Impaired ability of bone marrow stromal cells to support B-lymphopoiesis with age." Blood 91(1):75-88 (PubMed)