1. Cost-effectiveness of presumptively medically treating women at risk for ectopic pregnancy compared with first performing a dilatation and curettage 
Monica Ailawadi, M.D., Scott A. Lorch, M.D., Kurt T. Barnhart, M.D., M.S.C.E. 
Fertility and Sterility 
Volume 83, Issue 2, Pages (February 2005)
DOI: /j.fertnstert
Copyright © 2005 American Society for Reproductive Medicine Terms and Conditions

2. FIGURE 1 Abridged decision tree.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2005 American Society for Reproductive Medicine Terms and Conditions