CRD databases – February update.
http://www.crd.york.ac.uk/CRDWeb/search.aspx?SessionID=923632&SearchID=923632&SearchFor=%28%28abstract%3Aty+not+%22provisional+abstract%22%3Aty%29+or+%28%22economic+evaluation%22%3Aty+not+%22partial+economic+evaluation%22%29+or+publication%3Aty+or+project%3Aty%29+RESTRICT+NEW&D=9&E=9&H=31
Systematic reviews (3rd ed.). CRD’s Guidance for undertaking reviews in health care.
http://www.york.ac.uk/inst/crd/systematic_reviews_book.htm