Here is this year's free epocrates essentials for students. Did a search around and didn't see it anywhere else. Already activated my free year via this.
Enjoy!
http://www.epocrates.com/e/edu/medstudents?CID=EFMS2013MD&et_cid=21758135&et_rid=5511622
Enjoy!
http://www.epocrates.com/e/edu/medstudents?CID=EFMS2013MD&et_cid=21758135&et_rid=5511622