at senescence.info
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.
Berger et al. (2008) "Change in bone mineral density as a function of age in women and men and association with the use of antiresorptive agents." CMAJ 178(13):1660-1668 (PubMed)