Joshi R, Singh MK, Bhattacharjee S, Tobin R, Kaur D, Singh SK. Ultrasound guided paravertebral block vs. modified PECS block for modified radical mastectomy. apic [Internet]. 15Aug.2019 [cited 3Jul.2024];23(2). Available from: https://apicareonline.com/index.php/APIC/article/view/1065