1. Multiple-dose and double-dose versus single-dose administration of methotrexate for the treatment of ectopic pregnancy: a systematic review and meta-analysis 
Chun Yang, Jing Cai, Yuhong Geng, Ying Gao 
Reproductive BioMedicine Online 
Volume 34, Issue 4, Pages (April 2017)
DOI: /j.rbmo
Copyright © 2017 Reproductive Healthcare Ltd. Terms and Conditions

2. Figure 1
PRISMA four-phase flow diagram of search yield, screening and inclusion steps.
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2017 Reproductive Healthcare Ltd. Terms and Conditions

3. Figure 2
Risk of bias graph (A) and risk of bias summary (B) based on review authors' judgments about each risk of bias item.
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2017 Reproductive Healthcare Ltd. Terms and Conditions

4. Figure 3 Meta-analysis results of overall success rates.
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2017 Reproductive Healthcare Ltd. Terms and Conditions

5. Figure 4 Meta-analysis results of incidence of side-effects.
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2017 Reproductive Healthcare Ltd. Terms and Conditions