Task: Answer Verification
Input (English): Question: Does blood transfusion in preterm infants improve intestinal tissue oxygenation without alteration in blood flow?
Answer: Pretransfusion baseline splanchnic tissue oximetry and blood flow velocity varied with postnatal age. Blood transfusion improved intestinal tissue oxygenation without altering mesenteric blood flow velocity irrespective of postnatal ages.
Output (English): yes