Fig. 2
From: Systematic reviews and cancer research: a suggested stepwise approach

Results of PubMed search for systematic reviews, with or without meta-analysis, limited to the journal BMC Cancer up to November 8, 2017
From: Systematic reviews and cancer research: a suggested stepwise approach
Results of PubMed search for systematic reviews, with or without meta-analysis, limited to the journal BMC Cancer up to November 8, 2017