Ultrasound-guided thoracic paravertebral block vs pectoral nerve block for postoperative analgesia after modified radical mastectomy

Ultrasound-guided erector spinae block for postoperative analgesia in thoracotomy patients: a prospective, randomized, observer-blind, controlled clinical trial

Ultrasound guided Erector Spinae Plane block versus thoracic epidural for post-mastectomy analgesia

Comparative Study between Ultrasound Guided Erector Spinae Plane Block versus Paravertebral Block for Postoperative Pain Relief in Patients Undergoing Unilateral Modified Radical

Ultrasound-guided serratus anterior block versus instillation of local anaesthetic through surgical drain in modified radical mastectomy: A randomized controlled study

Ultrasound Guided PECS II Block versus Thoracic Epidural in Modified Radical Mastectomy for Post-Operative Pain Relief

Postoperative analgesia of ultrasound guided rectus sheath catheters versus continuous wound catheters for colorectal surgery: A randomized clinical trial

Analgesic efficacy of ultrasound-guided PECS II and transeversus thoracic plane blocks compared to serratus anterior plane block for modified radical mastectomy: A randomized pro

Effectiveness of Ultrasound Guided Erector Spinae Plane Block Compared to Ultrasound Guided Modified Pectoral Nerves Block in Modified Radical Mastectomy: A Randomized Single Bli

Ultrasound guided bilateral erector spinae plane block vs caudal epidural block for peri-operative analgesia in lumbar canal stenosis surgeries: A randomized controlled study