AUTHOR=Ivell Richard TITLE=Research in Reproduction: Challenges, Needs, and Opportunities JOURNAL=Frontiers in Physiology VOLUME=8 YEAR=2017 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2017.00046 DOI=10.3389/fphys.2017.00046 ISSN=1664-042X