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.
Xu et al. (1995) "Decreases in growth hormone receptor signal transduction contribute to the decline in insulin-like growth factor I gene expression with age." Endocrinology 136(10):4551-4557 (PubMed)