Comparison of Prophylactic Phenylephrine Infusion and Rescue Bolus Administration for Maintaining Blood Pressure During Spinal Anaesthesia for Caesarean Delivery in Obese Parturient: A Randomised Control Trial

比较预防性苯肾上腺素输注与抢救性推注给药在肥胖产妇剖宫产脊髓麻醉期间维持血压的效果：一项随机对照试验