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.
Zadik et al. (1985) "The influence of age on the 24-hour integrated concentration of growth hormone in normal individuals." J. Clin. Endocrinol. Metab. 60(3):513-516 (PubMed)