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.
Center for Disease Control and Prevention (2008) "Mental health, serious psychological distress, ages 18+: US, 1997-2008 (Source: NHIS)" (http://www.cdc.gov/nchs/hdi.htm)