RT Journal Article SR Electronic T1 ‘It is surely a great criticism of our profession…’ The next 20 years of equity-focused systematic reviews JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 291 OP 292 DO 10.1136/jech-2013-203400 VO 68 IS 4 A1 M Petticrew A1 V Welch A1 P Tugwell YR 2014 UL http://jech.bmj.com/content/68/4/291.abstract AB