The impact of acute normovolemic hemodilution on blood transfusions in cardiac surgery: a GRADE-assessed systematic review and meta-analysis of 30 randomized controlled trials with trial sequential analysis. - Alam U; Rath S; Ansab M; Khattak F; Siddiqui HT; Burhan M; Moiz A; Sabir V; Afridi ZAK (Naunyn-Schmiedeberg's archives of pharmacology, 2026)