Limitations of the Erector Spinae Plane (ESP) block for radical mastectomy

Date of retraction unknown, html page overwrite, date estimated from notifications; Hironobu Ueshima has institutional finding of misconduct; There is a comment on this article at https://www.sciencedirect.com/science/article/abs/pii/S0952818018314053; retraction notice later published on 5/7/2022;