The LancetAvailable online 22 May 2020Withdrawn Article in PressWhat’s this?CommentRETRACTED: Chloroquine or hydroxychloroquine for COVID-19: why might they be hazardous?Author links open overlay panelChristian Funck-Brentano a b, Joe-Elie Salem a bShow moreShareCitehttps://doi.org/10.1016/S0140-6736(20)31174-0Cited by (0)View Abstract© 2020 Elsevier Ltd. All rights reserved.