AUTHOR=Li Yanguo , Gu Ruitao , Zhao Dezhi TITLE=Comparative analysis of volatility forecasting for healthcare stock indices amid public health crises: a study based on the Bayes-CNN model JOURNAL=Frontiers in Public Health VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2024.1476196 DOI=10.3389/fpubh.2024.1476196 ISSN=2296-2565