title: Establishing causation in transfusion medicine and related tribulations.
authors.forename: Eleftherios C
authors.initials: EC
authors.lastname: Vamvakas
mesh_terms: D001771:Blood Banks; D001803:Blood Transfusion / Q000379:methods*; D015984:Causality; D003422:Critical Care / Q000379:methods; D004912:Erythrocytes / Q000166:cytology*; D019317:Evidence-Based Medicine; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D012308:Risk Management; D065227:Transfusion Reaction