Vein-To-Vein Databases: Uses and Considerations in Transfusion Research. - Lewin A; Rochette S; Shih AW; Tinmouth A; Chassé M; O'Brien SF; Busch MP; Roubinian NH; Erikstrup C; Dieudé M; Carrier FM; Callum J; et al. (Transfusion medicine reviews, 2026)