VASUDEVAN JAGANNATHAN; UMESHKUMAR ATHIRAMAN; MEENA NATHAN CHERIAN. Spinal Anesthesia Using Low Concentration Hypobaric Bupivacaine For Ano-Rectal Surgery. A Randomized Controlled Trial. International Journal of Pharma and Bio Sciences, [S. l.], v. 2, n. 2`, p. 87–93, 2011. Disponível em: https://ijpbs.net/index.php/journal/article/view/746. Acesso em: 23 jul. 2026.