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Periconceptional use of NuvaRing® or Ortho Evra™ and major structural birth defects in offspring
Periconceptional use of NuvaRing® or Ortho Evra™ and major structural birth defects in offspringHallmark, Amy.
The University of Texas School of Public Health ProQuest Dissertations & Theses, 2015. 10036278.





