{Reference Type}: Letter {Title}: Comparing analgesic efficacy of regional blocks after modified radical mastectomy: important issues should be noticed. {Author}: Yuan YJ;Xue FS;Tian T; {Journal}: Perioper Med (Lond) {Volume}: 13 {Issue}: 1 {Year}: 2024 May 17 {Factor}: 2.904 {DOI}: 10.1186/s13741-024-00387-7