RT Journal Article SR Electronic T1 Methodological quality and synthesis of case series and case reports JF BMJ Evidence-Based Medicine JO BMJ EBM FD BMJ Publishing Group Ltd SP 60 OP 63 DO 10.1136/bmjebm-2017-110853 VO 23 IS 2 A1 Mohammad Hassan Murad A1 Shahnaz Sultan A1 Samir Haffar A1 Fateh Bazerbachi YR 2018 UL http://ebm.bmj.com/content/23/2/60.abstract AB