Clinical significance of anti-M in pregnancy and self-reported ancestry: The BEST collaborative study.2026 · Lu W, Ziman A, Yin C, Yan MTS, Virk MS, Dilly Stephens L, Raval JS, Radwi G, Morrison D, Marrero-Rivera G, Ly J, Juskewitch JE, Ikeda K, Hasan RA, Hands K, El Malti S, Eichbaum QG, Duncan J, Covello T, Clarke G, Chang S, Brancamp RL, Bakhtary S, Badawi M, Au N, AlMozain N, Shan H, Biomedical Excellence for Safer Transfusion Collaborative