/library/ en /library/news/list/2021/02/04/ovid-maintenance-6-february Ovid will be conducting an infrastructure upgrade on Saturday 6 February 2021 between 9:00 am and 9:00 pm EST. During this time there may be instances where access is unavailable to Ovid resources.  February 04 2021 Sonja Raven /library/news/list/2021/02/04/ovid-maintenance-6-february