RT Journal Article SR Electronic T1 EBHC pyramid 5.0 for accessing preappraised evidence and guidance JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 123 OP 125 DO 10.1136/ebmed-2016-110447 VO 21 IS 4 A1 Brian S Alper A1 R Brian Haynes YR 2016 UL http://ebm.bmj.com/content/21/4/123.abstract AB