Effect of Addition of Various Doses of Fentanyl Intrathecally to 0.5% Hyperbaric Bupivacaine on Perioperative Analgesia and Subarachnoid-Block Characteristics in Lower Abdominal Surgery: A Dose-Response Study
Effect of Addition of Various Doses of Fentanyl Intrathecally to 0.5% Hyperbaric Bupivacaine on Perioperative Analgesia and Subarachnoid-Block Characteristics in Lower Abdominal Surgery: A Dose-Response Study