Chaudhary AK, Singh D, Bogra JS, Saxena S, Chandra G, Bhusan S, Singh PK. Thoracic epidural for post-thoracotomy and thoracomyoplasty pain: a comparative study of three concentrations of fentanyl with plain ropivacaine. apic [Internet]. 30Jan.2019 [cited 22Nov.2024];:22-7. Available from: https://apicareonline.com/index.php/APIC/article/view/476