1. Second-dose methotrexate in ectopic pregnancies: the role of beta human chorionic gonadotropin 
Aviad Cohen, M.D., Guy Bibi, M.D., Benny Almog, M.D., Ziv Tsafrir, M.D., Ishai Levin, M.D. 
Fertility and Sterility 
Volume 102, Issue 6, Pages (December 2014)
DOI: /j.fertnstert
Copyright © 2014 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1 Flow chart of patients admitted with ectopic pregnancy.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2014 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
Receiver operating characteristic curve for day-1 β-hCG levels in second dose of methotrexate.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2014 American Society for Reproductive Medicine Terms and Conditions