“COMPARATIVE EVALUATION OF 0.25% BUPIVACAINE TO 0.25% ROPIVACAINE FOR CAUDAL ANESTHESIA DURING INFRA UMBILICAL SURGERIES IN PEDIATRIC SUBJECTS”. 2022. International Research Journal of Pharmacy 13 (5): 1-5. https://irjponline.org/index.php/irjp/article/view/247.