AUTHOR=Song Kefan , Adams Alexander T. TITLE=Application of microscopic smartphone attachment for remote preoperative lab testing JOURNAL=Frontiers in Digital Health VOLUME=6 YEAR=2024 URL=https://www.frontiersin.org/journals/digital-health/articles/10.3389/fdgth.2024.1461559 DOI=10.3389/fdgth.2024.1461559 ISSN=2673-253X