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.
Yu et al. (1999) "Impaired physiological responses to chronic hypoxia in mice partially deficient for hypoxia-inducible factor 1alpha." J. Clin. Invest. 103(5):691-696 (PubMed)