Let's make the studies within systematic reviews count.
Knottnerus
J André
JA
Knottnerus
Bart J
BJ
D015706:Bibliometrics; D055317:Evidence-Based Practice; D006801:Humans; D010506:Periodicals as Topic; D039781:PubMed / Q000639:trends*; D012107:Research Design; D012196:Review Literature as Topic