Making patient blood management the new norm(al) as experienced by implementors in diverse countries. - Hofmann, Axel; Spahn, Donat R.; Holtorf, Anke-Peggy; PBM Implementation Group; Isbister, James; Hamdorf, Jeff; Campbell, Linda; Benites, Bruno; Duarte, Gustavo; Rabello, Guillermo; Ji, Hongwen; Wei, Lihui; et al. (BMC Health Services Research, 2021)