1. Maternal complication of cervical heterotopic pregnancy after successful potassium chloride fetal reduction 
Cynthia Gyamfi, M.D., Samantha Cohen, B.A., Joanne L. Stone, M.D. 
Fertility and Sterility 
Volume 82, Issue 4, Pages (October 2004)
DOI: /j.fertnstert
Copyright © 2004 American Society for Reproductive Medicine Terms and Conditions

2. FIGURE 1 (A, B) The cervix and lower uterine segment at 29 weeks.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2004 American Society for Reproductive Medicine Terms and Conditions