BUPIVACAINE HYPERBARIC 0.5%: SPINAL ANESTHESIA IN CHILDREN AN OPERATION THEATRE-BASED OBSERVATIONAL STUDY FROM PEOPLE’S UNIVERSITY OF MEDICAL AND HEALTH SCIENCES HOSPITAL SHAHEED BENAZIR ABAD (NAWAB SHAH) SINDH, PAKISTAN. Genetics and Mol. Res. Published online June 2, 2026. doi:10.4238/bgg6dj18