Imran Tahir, Muhammad Zia, Hafiz Muhammad Waseem Yaseen, Aroob Zaki Khawaja, Shumyala Maqbool 2023. Compare the Intra–Operative Hemodynamics and the Perioperative Analgesic Efficacy of Superficial Sapb, to Deep SAPB, and to Thoracic Epidural Analgesia in Thoracotomies. Pakistan Journal of Medical & Health Sciences. 17, 12 (Dec. 2023), 184. DOI:https://doi.org/10.53350/pjmhs020231712184.