AUTHOR=Maeda Miki H. TITLE=Current Challenges in Development of a Database of Three-Dimensional Chemical Structures JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=3 YEAR=2015 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2015.00066 DOI=10.3389/fbioe.2015.00066 ISSN=2296-4185